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74 vulnerabilities by ckeditor
CVE-2026-28343 (GCVE-0-2026-28343)
Vulnerability from nvd – Published: 2026-03-05 19:42 – Updated: 2026-03-19 18:45
VLAI
EPSS
VEX
Title
CKEditor: Cross-site scripting (XSS) in the HTML Support package
Summary
CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. Starting in version 29.0.0 and prior to version 47.6.0, a cross-site scripting (XSS) vulnerability has been discovered in the General HTML Support feature. This vulnerability could be triggered by inserting specially crafted markup, leading to unauthorized JavaScript code execution, if the editor instance used an unsafe General HTML Support configuration. This issue has been patched in version 47.6.0.
Severity
6.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/ckeditor/ckeditor5/security/ad… | x_refsource_CONFIRM |
| https://github.com/ckeditor/ckeditor5/releases/ta… | x_refsource_MISC |
| https://github.com/ckeditor/ckeditor5/releases/ta… | x_refsource_MISC |
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CVE-2025-61261 (GCVE-0-2025-61261)
Vulnerability from nvd – Published: 2025-11-07 00:00 – Updated: 2025-11-07 19:28
VLAI
EPSS
VEX
Summary
A reflected cross-site scripting (XSS) vulnerability in CKeditor v46.1.0 & Angular v18.0.0 allows attackers to execute arbitrary code in the context of a user's browser via injecting a crafted payload.
Severity
5.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
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CVE-2025-58064 (GCVE-0-2025-58064)
Vulnerability from nvd – Published: 2025-09-03 22:02 – Updated: 2025-09-04 20:03
VLAI
EPSS
VEX
Title
CKEditor is susceptible to Cross-Site Scripting (XSS) through its clipboard package
Summary
CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. ckeditor5 and ckeditor5-clipboard versions 46.0.0 through 46.0.2 and 44.2.0 through 45.2.1 contain a Cross-Site Scripting (XSS) vulnerability. Ability to exploit could be triggered by a specific user action (leading to unauthorized JavaScript code execution) if the attacker managed to insert a malicious content into the editor, which might happen with a very specific editor configuration. This vulnerability affects installations where the editor configuration meets one of the following criteria: the HTML embed plugin is enabled, or there is a custom plugin introducing an editable element where view RawElement is enabled. This issue is fixed in versions 45.2.2 and 46.0.3 of both ckeditor5 and ckeditor5-clipboard.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/ckeditor/ckeditor5/security/ad… | x_refsource_CONFIRM |
| https://github.com/ckeditor/ckeditor5/commit/b210… | x_refsource_MISC |
Impacted products
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CVE-2025-25299 (GCVE-0-2025-25299)
Vulnerability from nvd – Published: 2025-02-20 19:23 – Updated: 2025-02-20 19:47
VLAI
EPSS
VEX
Title
Cross-site scripting (XSS) in the real-time collaboration package
Summary
CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. During a recent internal audit, a Cross-Site Scripting (XSS) vulnerability was discovered in the CKEditor 5 real-time collaboration package. This vulnerability affects user markers, which represent users' positions within the document. It can lead to unauthorized JavaScript code execution, which might happen with a very specific editor and token endpoint configuration. This vulnerability affects only installations with Real-time collaborative editing enabled. The problem has been recognized and patched. The fix is available in version 44.2.1 (and above). Users are advised to upgrade. There are no known workarounds for this vulnerability.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/ckeditor/ckeditor5/security/ad… | x_refsource_CONFIRM |
| https://ckeditor.com/docs/ckeditor5/latest/featur… | x_refsource_MISC |
| https://github.com/ckeditor/ckeditor5/releases/ta… | x_refsource_MISC |
Impacted products
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CVE-2024-45613 (GCVE-0-2024-45613)
Vulnerability from nvd – Published: 2024-09-25 13:27 – Updated: 2024-10-01 21:20
VLAI
EPSS
VEX
Title
CKEditor 5 has Cross-site Scripting vulnerability in the clipboard package
Summary
CKEditor 5 is a JavaScript rich-text editor. Starting in version 40.0.0 and prior to version 43.1.1, a Cross-Site Scripting (XSS) vulnerability is present in the CKEditor 5 clipboard package. This vulnerability could be triggered by a specific user action, leading to unauthorized JavaScript code execution, if the attacker managed to insert a malicious content into the editor, which might happen with a very specific editor configuration. This vulnerability only affects installations where the Block Toolbar plugin is enabled and either the General HTML Support (with a configuration that permits unsafe markup) or the HTML Embed plugin is also enabled. A fix for the problem is available in version 43.1.1. As a workaround, one may disable the block toolbar plugin.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/ckeditor/ckeditor5/security/ad… | x_refsource_CONFIRM |
| https://github.com/ckeditor/ckeditor5/releases/ta… | x_refsource_MISC |
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CVE-2024-43411 (GCVE-0-2024-43411)
Vulnerability from nvd – Published: 2024-08-21 15:17 – Updated: 2024-08-22 13:51
VLAI
EPSS
VEX
Title
CKEditor4 has a low risk cross-site scripting (XSS) vulnerability from domain takeover
Summary
CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A theoretical vulnerability has been identified in CKEditor 4.22 (and above). In a highly unlikely scenario where an attacker gains control over the https://cke4.ckeditor.com domain, they could potentially execute an attack on CKEditor 4 instances. The issue impacts only editor instances with enabled version notifications. Please note that this feature is disabled by default in all CKEditor 4 LTS versions. Therefore, if you use CKEditor 4 LTS, it is highly unlikely that you are affected by this vulnerability. If you are unsure, please contact us. The fix is available in version 4.25.0-lts.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/ckeditor/ckeditor4/security/ad… | x_refsource_CONFIRM |
| https://github.com/ckeditor/ckeditor4/commit/b506… | x_refsource_MISC |
Impacted products
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CVE-2024-43407 (GCVE-0-2024-43407)
Vulnerability from nvd – Published: 2024-08-21 15:03 – Updated: 2024-08-21 19:54
VLAI
EPSS
VEX
Title
Code Snippet GeSHi plugin has reflected cross-site scripting (XSS) vulnerability
Summary
CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A potential vulnerability has been discovered in CKEditor 4 Code Snippet GeSHi plugin. The vulnerability allowed a reflected XSS attack by exploiting a flaw in the GeSHi syntax highlighter library hosted by the victim. The GeSHi library was included as a vendor dependency in CKEditor 4 source files. In a specific scenario, an attacker could craft a malicious script that could be executed by sending a request to the GeSHi library hosted on a PHP web server. The GeSHi library is no longer actively maintained. Due to the lack of ongoing support and updates, potential security vulnerabilities have been identified with its continued use. To mitigate these risks and enhance the overall security of the CKEditor 4, we have decided to completely remove the GeSHi library as a dependency. This change aims to maintain a secure environment and reduce the risk of any security incidents related to outdated or unsupported software. The fix is be available in version 4.25.0-lts.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/ckeditor/ckeditor4/security/ad… | x_refsource_CONFIRM |
| https://github.com/ckeditor/ckeditor4/commit/7107… | x_refsource_MISC |
| https://github.com/ckeditor/ckeditor4/commit/951e… | x_refsource_MISC |
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CVE-2024-24816 (GCVE-0-2024-24816)
Vulnerability from nvd – Published: 2024-02-07 16:58 – Updated: 2024-08-01 23:28
VLAI
EPSS
VEX
Title
Cross-site scripting (XSS) vulnerability in samples with enabled the preview feature
Summary
CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A cross-site scripting vulnerability vulnerability has been discovered in versions prior to 4.24.0-lts in samples that use the `preview` feature. All integrators that use these samples in the production code can be affected. The vulnerability allows an attacker to execute JavaScript code by abusing the misconfigured preview feature. It affects all users using the CKEditor 4 at version < 4.24.0-lts with affected samples used in a production environment. A fix is available in version 4.24.0-lts.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/ckeditor/ckeditor4/security/ad… | x_refsource_CONFIRM |
| https://github.com/ckeditor/ckeditor4/commit/8ed1… | x_refsource_MISC |
| https://ckeditor.com/cke4/addon/preview | x_refsource_MISC |
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CVE-2024-24815 (GCVE-0-2024-24815)
Vulnerability from nvd – Published: 2024-02-07 15:14 – Updated: 2025-02-13 17:40
VLAI
EPSS
VEX
Title
CKEditor4 Cross-site scripting (XSS) vulnerability caused by incorrect CDATA detection
Summary
CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A cross-site scripting vulnerability has been discovered in the core HTML parsing module in versions of CKEditor4 prior to 4.24.0-lts. It may affect all editor instances that enabled full-page editing mode or enabled CDATA elements in Advanced Content Filtering configuration (defaults to `script` and `style` elements). The vulnerability allows attackers to inject malformed HTML content bypassing Advanced Content Filtering mechanism, which could result in executing JavaScript code. An attacker could abuse faulty CDATA content detection and use it to prepare an intentional attack on the editor. A fix is available in version 4.24.0-lts.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/ckeditor/ckeditor4/security/ad… | x_refsource_CONFIRM |
| https://github.com/ckeditor/ckeditor4/commit/8ed1… | x_refsource_MISC |
| https://ckeditor.com/docs/ckeditor4/latest/api/CK… | x_refsource_MISC |
| https://ckeditor.com/docs/ckeditor4/latest/featur… | x_refsource_MISC |
| https://ckeditor.com/docs/ckeditor4/latest/guide/… | x_refsource_MISC |
| https://www.drupal.org/sa-contrib-2024-009 |
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CVE-2023-31541 (GCVE-0-2023-31541)
Vulnerability from nvd – Published: 2023-06-13 00:00 – Updated: 2026-07-09 00:25
VLAI
EPSS
VEX
Summary
A unrestricted file upload vulnerability was discovered in the ‘Browse and upload images’ feature of the CKEditor v1.2.3 plugin for Redmine, which allows arbitrary files to be uploaded to the server.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
1 reference
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CVE-2023-28439 (GCVE-0-2023-28439)
Vulnerability from nvd – Published: 2023-03-22 20:55 – Updated: 2025-02-13 16:48
VLAI
EPSS
VEX
Title
ckeditor4 plugins vulnerable to cross-site scripting caused by the editor instance destroying process
Summary
CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A cross-site scripting vulnerability has been discovered affecting Iframe Dialog and Media Embed packages. The vulnerability may trigger a JavaScript code after fulfilling special conditions: using one of the affected packages on a web page with missing proper Content Security Policy configuration; initializing the editor on an element and using an element other than `<textarea>` as a base; and destroying the editor instance. This vulnerability might affect a small percentage of integrators that depend on dynamic editor initialization/destroy mechanism.
A fix is available in CKEditor4 version 4.21.0. In some rare cases, a security fix may be considered a breaking change. Starting from version 4.21.0, the Iframe Dialog plugin applies the `sandbox` attribute by default, which restricts JavaScript code execution in the iframe element. To change this behavior, configure the `config.iframe_attributes` option. Also starting from version 4.21.0, the Media Embed plugin regenerates the entire content of the embed widget by default. To change this behavior, configure the `config.embed_keepOriginalContent` option. Those who choose to enable either of the more permissive options or who cannot upgrade to a patched version should properly configure Content Security Policy to avoid any potential security issues that may arise from embedding iframe elements on their web page.
Severity
4.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
6 references
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CVE-2022-48110 (GCVE-0-2022-48110)
Vulnerability from nvd – Published: 2023-02-13 00:00 – Updated: 2025-03-24 12:58 Disputed
VLAI
EPSS
VEX
Summary
CKSource CKEditor 5 35.4.0 was discovered to contain a cross-site scripting (XSS) vulnerability via the Full Featured CKEditor5 widget. NOTE: the vendor's position is that this is not a vulnerability. The CKEditor 5 documentation discusses that it is the responsibility of an integrator (who is adding CKEditor 5 functionality to a website) to choose the correct security settings for their use case. Also, safe default values are established (e.g., config.htmlEmbed.showPreviews is false).
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
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CVE-2022-31175 (GCVE-0-2022-31175)
Vulnerability from nvd – Published: 2022-08-03 19:05 – Updated: 2025-04-23 17:54
VLAI
EPSS
VEX
Title
Cross-site scripting caused by the editor instance destroying process in ckeditor5
Summary
CKEditor 5 is a JavaScript rich text editor. A cross-site scripting vulnerability has been discovered affecting three optional CKEditor 5's packages in versions prior to 35.0.1. The vulnerability allowed to trigger a JavaScript code after fulfilling special conditions. The affected packages are `@ckeditor/ckeditor5-markdown-gfm`, `@ckeditor/ckeditor5-html-support`, and `@ckeditor/ckeditor5-html-embed`. The specific conditions are 1) Using one of the affected packages. In case of `ckeditor5-html-support` and `ckeditor5-html-embed`, additionally, it was required to use a configuration that allows unsafe markup inside the editor. 2) Destroying the editor instance and 3) Initializing the editor on an element and using an element other than `<textarea>` as a base. The root cause of the issue was a mechanism responsible for updating the source element with the markup coming from the CKEditor 5 data pipeline after destroying the editor. This vulnerability might affect a small percent of integrators that depend on dynamic editor initialization/destroy and use Markdown, General HTML Support or HTML embed features. The problem has been recognized and patched. The fix is available in version 35.0.1. There are no known workarounds for this issue.
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/ckeditor/ckeditor5/security/ad… | x_refsource_CONFIRM |
| https://ckeditor.com/docs/ckeditor5/latest/featur… | x_refsource_MISC |
| https://ckeditor.com/docs/ckeditor5/latest/featur… | x_refsource_MISC |
| https://ckeditor.com/docs/ckeditor5/latest/featur… | x_refsource_MISC |
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CVE-2022-24729 (GCVE-0-2022-24729)
Vulnerability from nvd – Published: 2022-03-16 00:00 – Updated: 2025-04-23 18:53
VLAI
EPSS
VEX
Title
Regular expression Denial of Service in dialog plugin
Summary
CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. CKEditor4 prior to version 4.18.0 contains a vulnerability in the `dialog` plugin. The vulnerability allows abuse of a dialog input validator regular expression, which can cause a significant performance drop resulting in a browser tab freeze. A patch is available in version 4.18.0. There are currently no known workarounds.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
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CVE-2022-24728 (GCVE-0-2022-24728)
Vulnerability from nvd – Published: 2022-03-16 00:00 – Updated: 2025-04-23 18:53
VLAI
EPSS
VEX
Title
Cross-site Scripting in CKEditor4
Summary
CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A vulnerability has been discovered in the core HTML processing module and may affect all plugins used by CKEditor 4 prior to version 4.18.0. The vulnerability allows someone to inject malformed HTML bypassing content sanitization, which could result in executing JavaScript code. This problem has been patched in version 4.18.0. There are currently no known workarounds.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
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CVE-2026-28343 (GCVE-0-2026-28343)
Vulnerability from cvelistv5 – Published: 2026-03-05 19:42 – Updated: 2026-03-19 18:45
VLAI
EPSS
VEX
Title
CKEditor: Cross-site scripting (XSS) in the HTML Support package
Summary
CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. Starting in version 29.0.0 and prior to version 47.6.0, a cross-site scripting (XSS) vulnerability has been discovered in the General HTML Support feature. This vulnerability could be triggered by inserting specially crafted markup, leading to unauthorized JavaScript code execution, if the editor instance used an unsafe General HTML Support configuration. This issue has been patched in version 47.6.0.
Severity
6.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/ckeditor/ckeditor5/security/ad… | x_refsource_CONFIRM |
| https://github.com/ckeditor/ckeditor5/releases/ta… | x_refsource_MISC |
| https://github.com/ckeditor/ckeditor5/releases/ta… | x_refsource_MISC |
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CVE-2025-61261 (GCVE-0-2025-61261)
Vulnerability from cvelistv5 – Published: 2025-11-07 00:00 – Updated: 2025-11-07 19:28
VLAI
EPSS
VEX
Summary
A reflected cross-site scripting (XSS) vulnerability in CKeditor v46.1.0 & Angular v18.0.0 allows attackers to execute arbitrary code in the context of a user's browser via injecting a crafted payload.
Severity
5.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
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CVE-2025-58064 (GCVE-0-2025-58064)
Vulnerability from cvelistv5 – Published: 2025-09-03 22:02 – Updated: 2025-09-04 20:03
VLAI
EPSS
VEX
Title
CKEditor is susceptible to Cross-Site Scripting (XSS) through its clipboard package
Summary
CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. ckeditor5 and ckeditor5-clipboard versions 46.0.0 through 46.0.2 and 44.2.0 through 45.2.1 contain a Cross-Site Scripting (XSS) vulnerability. Ability to exploit could be triggered by a specific user action (leading to unauthorized JavaScript code execution) if the attacker managed to insert a malicious content into the editor, which might happen with a very specific editor configuration. This vulnerability affects installations where the editor configuration meets one of the following criteria: the HTML embed plugin is enabled, or there is a custom plugin introducing an editable element where view RawElement is enabled. This issue is fixed in versions 45.2.2 and 46.0.3 of both ckeditor5 and ckeditor5-clipboard.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/ckeditor/ckeditor5/security/ad… | x_refsource_CONFIRM |
| https://github.com/ckeditor/ckeditor5/commit/b210… | x_refsource_MISC |
Impacted products
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CVE-2025-25299 (GCVE-0-2025-25299)
Vulnerability from cvelistv5 – Published: 2025-02-20 19:23 – Updated: 2025-02-20 19:47
VLAI
EPSS
VEX
Title
Cross-site scripting (XSS) in the real-time collaboration package
Summary
CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. During a recent internal audit, a Cross-Site Scripting (XSS) vulnerability was discovered in the CKEditor 5 real-time collaboration package. This vulnerability affects user markers, which represent users' positions within the document. It can lead to unauthorized JavaScript code execution, which might happen with a very specific editor and token endpoint configuration. This vulnerability affects only installations with Real-time collaborative editing enabled. The problem has been recognized and patched. The fix is available in version 44.2.1 (and above). Users are advised to upgrade. There are no known workarounds for this vulnerability.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/ckeditor/ckeditor5/security/ad… | x_refsource_CONFIRM |
| https://ckeditor.com/docs/ckeditor5/latest/featur… | x_refsource_MISC |
| https://github.com/ckeditor/ckeditor5/releases/ta… | x_refsource_MISC |
Impacted products
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CVE-2024-45613 (GCVE-0-2024-45613)
Vulnerability from cvelistv5 – Published: 2024-09-25 13:27 – Updated: 2024-10-01 21:20
VLAI
EPSS
VEX
Title
CKEditor 5 has Cross-site Scripting vulnerability in the clipboard package
Summary
CKEditor 5 is a JavaScript rich-text editor. Starting in version 40.0.0 and prior to version 43.1.1, a Cross-Site Scripting (XSS) vulnerability is present in the CKEditor 5 clipboard package. This vulnerability could be triggered by a specific user action, leading to unauthorized JavaScript code execution, if the attacker managed to insert a malicious content into the editor, which might happen with a very specific editor configuration. This vulnerability only affects installations where the Block Toolbar plugin is enabled and either the General HTML Support (with a configuration that permits unsafe markup) or the HTML Embed plugin is also enabled. A fix for the problem is available in version 43.1.1. As a workaround, one may disable the block toolbar plugin.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/ckeditor/ckeditor5/security/ad… | x_refsource_CONFIRM |
| https://github.com/ckeditor/ckeditor5/releases/ta… | x_refsource_MISC |
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CVE-2024-43411 (GCVE-0-2024-43411)
Vulnerability from cvelistv5 – Published: 2024-08-21 15:17 – Updated: 2024-08-22 13:51
VLAI
EPSS
VEX
Title
CKEditor4 has a low risk cross-site scripting (XSS) vulnerability from domain takeover
Summary
CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A theoretical vulnerability has been identified in CKEditor 4.22 (and above). In a highly unlikely scenario where an attacker gains control over the https://cke4.ckeditor.com domain, they could potentially execute an attack on CKEditor 4 instances. The issue impacts only editor instances with enabled version notifications. Please note that this feature is disabled by default in all CKEditor 4 LTS versions. Therefore, if you use CKEditor 4 LTS, it is highly unlikely that you are affected by this vulnerability. If you are unsure, please contact us. The fix is available in version 4.25.0-lts.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/ckeditor/ckeditor4/security/ad… | x_refsource_CONFIRM |
| https://github.com/ckeditor/ckeditor4/commit/b506… | x_refsource_MISC |
Impacted products
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CVE-2024-43407 (GCVE-0-2024-43407)
Vulnerability from cvelistv5 – Published: 2024-08-21 15:03 – Updated: 2024-08-21 19:54
VLAI
EPSS
VEX
Title
Code Snippet GeSHi plugin has reflected cross-site scripting (XSS) vulnerability
Summary
CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A potential vulnerability has been discovered in CKEditor 4 Code Snippet GeSHi plugin. The vulnerability allowed a reflected XSS attack by exploiting a flaw in the GeSHi syntax highlighter library hosted by the victim. The GeSHi library was included as a vendor dependency in CKEditor 4 source files. In a specific scenario, an attacker could craft a malicious script that could be executed by sending a request to the GeSHi library hosted on a PHP web server. The GeSHi library is no longer actively maintained. Due to the lack of ongoing support and updates, potential security vulnerabilities have been identified with its continued use. To mitigate these risks and enhance the overall security of the CKEditor 4, we have decided to completely remove the GeSHi library as a dependency. This change aims to maintain a secure environment and reduce the risk of any security incidents related to outdated or unsupported software. The fix is be available in version 4.25.0-lts.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/ckeditor/ckeditor4/security/ad… | x_refsource_CONFIRM |
| https://github.com/ckeditor/ckeditor4/commit/7107… | x_refsource_MISC |
| https://github.com/ckeditor/ckeditor4/commit/951e… | x_refsource_MISC |
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CVE-2024-24816 (GCVE-0-2024-24816)
Vulnerability from cvelistv5 – Published: 2024-02-07 16:58 – Updated: 2024-08-01 23:28
VLAI
EPSS
VEX
Title
Cross-site scripting (XSS) vulnerability in samples with enabled the preview feature
Summary
CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A cross-site scripting vulnerability vulnerability has been discovered in versions prior to 4.24.0-lts in samples that use the `preview` feature. All integrators that use these samples in the production code can be affected. The vulnerability allows an attacker to execute JavaScript code by abusing the misconfigured preview feature. It affects all users using the CKEditor 4 at version < 4.24.0-lts with affected samples used in a production environment. A fix is available in version 4.24.0-lts.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/ckeditor/ckeditor4/security/ad… | x_refsource_CONFIRM |
| https://github.com/ckeditor/ckeditor4/commit/8ed1… | x_refsource_MISC |
| https://ckeditor.com/cke4/addon/preview | x_refsource_MISC |
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CVE-2024-24815 (GCVE-0-2024-24815)
Vulnerability from cvelistv5 – Published: 2024-02-07 15:14 – Updated: 2025-02-13 17:40
VLAI
EPSS
VEX
Title
CKEditor4 Cross-site scripting (XSS) vulnerability caused by incorrect CDATA detection
Summary
CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A cross-site scripting vulnerability has been discovered in the core HTML parsing module in versions of CKEditor4 prior to 4.24.0-lts. It may affect all editor instances that enabled full-page editing mode or enabled CDATA elements in Advanced Content Filtering configuration (defaults to `script` and `style` elements). The vulnerability allows attackers to inject malformed HTML content bypassing Advanced Content Filtering mechanism, which could result in executing JavaScript code. An attacker could abuse faulty CDATA content detection and use it to prepare an intentional attack on the editor. A fix is available in version 4.24.0-lts.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/ckeditor/ckeditor4/security/ad… | x_refsource_CONFIRM |
| https://github.com/ckeditor/ckeditor4/commit/8ed1… | x_refsource_MISC |
| https://ckeditor.com/docs/ckeditor4/latest/api/CK… | x_refsource_MISC |
| https://ckeditor.com/docs/ckeditor4/latest/featur… | x_refsource_MISC |
| https://ckeditor.com/docs/ckeditor4/latest/guide/… | x_refsource_MISC |
| https://www.drupal.org/sa-contrib-2024-009 |
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CVE-2023-31541 (GCVE-0-2023-31541)
Vulnerability from cvelistv5 – Published: 2023-06-13 00:00 – Updated: 2026-07-09 00:25
VLAI
EPSS
VEX
Summary
A unrestricted file upload vulnerability was discovered in the ‘Browse and upload images’ feature of the CKEditor v1.2.3 plugin for Redmine, which allows arbitrary files to be uploaded to the server.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
1 reference
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CVE-2023-28439 (GCVE-0-2023-28439)
Vulnerability from cvelistv5 – Published: 2023-03-22 20:55 – Updated: 2025-02-13 16:48
VLAI
EPSS
VEX
Title
ckeditor4 plugins vulnerable to cross-site scripting caused by the editor instance destroying process
Summary
CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A cross-site scripting vulnerability has been discovered affecting Iframe Dialog and Media Embed packages. The vulnerability may trigger a JavaScript code after fulfilling special conditions: using one of the affected packages on a web page with missing proper Content Security Policy configuration; initializing the editor on an element and using an element other than `<textarea>` as a base; and destroying the editor instance. This vulnerability might affect a small percentage of integrators that depend on dynamic editor initialization/destroy mechanism.
A fix is available in CKEditor4 version 4.21.0. In some rare cases, a security fix may be considered a breaking change. Starting from version 4.21.0, the Iframe Dialog plugin applies the `sandbox` attribute by default, which restricts JavaScript code execution in the iframe element. To change this behavior, configure the `config.iframe_attributes` option. Also starting from version 4.21.0, the Media Embed plugin regenerates the entire content of the embed widget by default. To change this behavior, configure the `config.embed_keepOriginalContent` option. Those who choose to enable either of the more permissive options or who cannot upgrade to a patched version should properly configure Content Security Policy to avoid any potential security issues that may arise from embedding iframe elements on their web page.
Severity
4.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
6 references
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CVE-2022-48110 (GCVE-0-2022-48110)
Vulnerability from cvelistv5 – Published: 2023-02-13 00:00 – Updated: 2025-03-24 12:58 Disputed
VLAI
EPSS
VEX
Summary
CKSource CKEditor 5 35.4.0 was discovered to contain a cross-site scripting (XSS) vulnerability via the Full Featured CKEditor5 widget. NOTE: the vendor's position is that this is not a vulnerability. The CKEditor 5 documentation discusses that it is the responsibility of an integrator (who is adding CKEditor 5 functionality to a website) to choose the correct security settings for their use case. Also, safe default values are established (e.g., config.htmlEmbed.showPreviews is false).
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
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CVE-2022-31175 (GCVE-0-2022-31175)
Vulnerability from cvelistv5 – Published: 2022-08-03 19:05 – Updated: 2025-04-23 17:54
VLAI
EPSS
VEX
Title
Cross-site scripting caused by the editor instance destroying process in ckeditor5
Summary
CKEditor 5 is a JavaScript rich text editor. A cross-site scripting vulnerability has been discovered affecting three optional CKEditor 5's packages in versions prior to 35.0.1. The vulnerability allowed to trigger a JavaScript code after fulfilling special conditions. The affected packages are `@ckeditor/ckeditor5-markdown-gfm`, `@ckeditor/ckeditor5-html-support`, and `@ckeditor/ckeditor5-html-embed`. The specific conditions are 1) Using one of the affected packages. In case of `ckeditor5-html-support` and `ckeditor5-html-embed`, additionally, it was required to use a configuration that allows unsafe markup inside the editor. 2) Destroying the editor instance and 3) Initializing the editor on an element and using an element other than `<textarea>` as a base. The root cause of the issue was a mechanism responsible for updating the source element with the markup coming from the CKEditor 5 data pipeline after destroying the editor. This vulnerability might affect a small percent of integrators that depend on dynamic editor initialization/destroy and use Markdown, General HTML Support or HTML embed features. The problem has been recognized and patched. The fix is available in version 35.0.1. There are no known workarounds for this issue.
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/ckeditor/ckeditor5/security/ad… | x_refsource_CONFIRM |
| https://ckeditor.com/docs/ckeditor5/latest/featur… | x_refsource_MISC |
| https://ckeditor.com/docs/ckeditor5/latest/featur… | x_refsource_MISC |
| https://ckeditor.com/docs/ckeditor5/latest/featur… | x_refsource_MISC |
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CVE-2022-24729 (GCVE-0-2022-24729)
Vulnerability from cvelistv5 – Published: 2022-03-16 00:00 – Updated: 2025-04-23 18:53
VLAI
EPSS
VEX
Title
Regular expression Denial of Service in dialog plugin
Summary
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Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
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CVE-2022-24728 (GCVE-0-2022-24728)
Vulnerability from cvelistv5 – Published: 2022-03-16 00:00 – Updated: 2025-04-23 18:53
VLAI
EPSS
VEX
Title
Cross-site Scripting in CKEditor4
Summary
CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A vulnerability has been discovered in the core HTML processing module and may affect all plugins used by CKEditor 4 prior to version 4.18.0. The vulnerability allows someone to inject malformed HTML bypassing content sanitization, which could result in executing JavaScript code. This problem has been patched in version 4.18.0. There are currently no known workarounds.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
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"cveId": "CVE-2022-24728",
"datePublished": "2022-03-16T00:00:00.000Z",
"dateReserved": "2022-02-10T00:00:00.000Z",
"dateUpdated": "2025-04-23T18:53:42.950Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}