CWE-80
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages.
CVE-2026-24128 (GCVE-0-2026-24128)
Vulnerability from cvelistv5 – Published: 2026-01-23 23:18 – Updated: 2026-01-26 17:12
VLAI
Title
XWiki Affected by Reflected Cross-Site Scripting (XSS) in Error Messages
Summary
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Versions 7.0-milestone-2 through 16.10.11, 17.0.0-rc-1 through 17.4.4, and 17.5.0-rc-1 through 17.7.0 contain a reflected Cross-site Scripting (XSS) vulnerability, which allows an attacker to craft a malicious URL and execute arbitrary actions with the same privileges as the victim. If the victim has administrative or programming rights, those rights can be exploited to gain full access to the XWiki installation. This issue has been patched in versions 17.8.0-rc-1, 17.4.5 and 16.10.12. To workaround, the patch can be applied manually, only a single line in templates/logging_macros.vm needs to be changed, no restart is required.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/xwiki/xwiki-platform/security/… | x_refsource_CONFIRM |
| https://github.com/xwiki/xwiki-platform/commit/83… | x_refsource_MISC |
| https://github.com/xwiki/xwiki-platform/releases/… | x_refsource_MISC |
| https://github.com/xwiki/xwiki-platform/releases/… | x_refsource_MISC |
| https://github.com/xwiki/xwiki-platform/releases/… | x_refsource_MISC |
| https://jira.xwiki.org/browse/XWIKI-23462 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| xwiki | xwiki-platform |
Affected:
>= 7.0-milestone-2, < 16.10.12
Affected: >= 17.0.0-rc-1, < 17.4.5 Affected: >= 17.5.0-rc-1, < 17.8.0-rc-1 |
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CVE-2026-24564 (GCVE-0-2026-24564)
Vulnerability from cvelistv5 – Published: 2026-01-23 14:28 – Updated: 2026-04-28 16:14
VLAI
Title
WordPress Textmetrics plugin <= 3.6.5 - Content Injection vulnerability
Summary
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Israpil Textmetrics webtexttool allows Code Injection.This issue affects Textmetrics: from n/a through <= 3.6.5.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/Wordpress/Plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Israpil | Textmetrics |
Affected:
0 , ≤ 3.6.5
(custom)
|
Date Public
2026-04-22 14:20
Credits
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CVE-2026-25006 (GCVE-0-2026-25006)
Vulnerability from cvelistv5 – Published: 2026-02-19 08:26 – Updated: 2026-04-28 16:14
VLAI
Title
WordPress XStore theme <= 9.6.4 - Arbitrary Shortcode Execution vulnerability
Summary
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in 8theme XStore xstore allows Code Injection.This issue affects XStore: from n/a through <= 9.6.4.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/Wordpress/Theme/x… | vdb-entry |
Date Public
2026-04-22 14:21
Credits
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CVE-2026-25054 (GCVE-0-2026-25054)
Vulnerability from cvelistv5 – Published: 2026-02-04 16:47 – Updated: 2026-02-05 14:35
VLAI
Title
n8n is Vulnerable to Stored Cross-Site Scripting via Markdown Rendering in Workflow UI
Summary
n8n is an open source workflow automation platform. Prior to versions 1.123.9 and 2.2.1, a Cross-Site Scripting (XSS) vulnerability existed in a markdown rendering component used in n8n's interface, including workflow sticky notes and other areas that support markdown content. An authenticated user with permission to create or modify workflows could abuse this to execute scripts with same-origin privileges when other users interact with a maliciously crafted workflow. This could lead to session hijacking and account takeover. This issue has been patched in versions 1.123.9 and 2.2.1.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/n8n-io/n8n/security/advisories… | x_refsource_CONFIRM |
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CVE-2026-25578 (GCVE-0-2026-25578)
Vulnerability from cvelistv5 – Published: 2026-02-04 21:58 – Updated: 2026-02-05 14:31
VLAI
Title
Navidrome is vulnerable to XSS via comment from song metadata
Summary
Navidrome is an open source web-based music collection server and streamer. Prior to version 0.60.0, a cross-site scripting vulnerability in the frontend allows a malicious attacker to inject code through the comment metadata of a song to exfiltrate user credentials. This issue has been patched in version 0.60.0.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/navidrome/navidrome/security/a… | x_refsource_CONFIRM |
| https://github.com/navidrome/navidrome/commit/d7e… | x_refsource_MISC |
| https://github.com/navidrome/navidrome/releases/t… | x_refsource_MISC |
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CVE-2026-25764 (GCVE-0-2026-25764)
Vulnerability from cvelistv5 – Published: 2026-02-06 22:10 – Updated: 2026-02-09 15:26
VLAI
Title
OpenProject vulnerable to Stored HTML injection
Summary
OpenProject is an open-source, web-based project management software. Prior to versions 16.6.7 and 17.0.3, an HTML injection vulnerability occurs in the time tracking function of OpenProject. The application does not escape HTML tags, an attacker with administrator privileges can create a work package with the name containing the HTML tags and add it to the Work package section when creating time tracking. This issue has been patched in versions 16.6.7 and 17.0.3.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/opf/openproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/opf/openproject/releases/tag/v16.6.7 | x_refsource_MISC |
| https://github.com/opf/openproject/releases/tag/v17.0.3 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| opf | openproject |
Affected:
< 16.6.7
Affected: < 17.0.3 |
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CVE-2026-25935 (GCVE-0-2026-25935)
Vulnerability from cvelistv5 – Published: 2026-02-11 20:47 – Updated: 2026-02-12 21:17
VLAI
Title
Vikunja Affected by XSS Via Task Preview
Summary
Vikunja is a todo-app to organize your life. Prior to 1.1.0, TaskGlanceTooltip.vue temporarily creates a div and sets the innerHtml to the description. Since there is no escaping on either the server or client side, a malicious user can share a project, create a malicious task, and cause an XSS on hover. This vulnerability is fixed in 1.1.0.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/go-vikunja/vikunja/security/ad… | x_refsource_CONFIRM |
| https://github.com/go-vikunja/vikunja/commit/dd0b… | x_refsource_MISC |
| https://github.com/go-vikunja/vikunja/releases/ta… | x_refsource_MISC |
| https://vikunja.io/changelog/vikunja-v1.1.0-was-r… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| go-vikunja | vikunja |
Affected:
< 1.1.0
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CVE-2026-27116 (GCVE-0-2026-27116)
Vulnerability from cvelistv5 – Published: 2026-02-25 21:33 – Updated: 2026-02-25 21:38
VLAI
Title
Vikunja has Reflected HTML Injection via filter Parameter in Projects Module
Summary
Vikunja is an open-source self-hosted task management platform. Prior to version 2.0.0, a reflected HTML injection vulnerability exists in the Projects module where the `filter` URL parameter is rendered into the DOM without output encoding when the user clicks "Filter." While `<script>` and `<iframe>` are blocked, `<svg>`, `<a>`, and formatting tags (`<h1>`, `<b>`, `<u>`) render without restriction — enabling SVG-based phishing buttons, external redirect links, and content spoofing within the trusted application origin. Version 2.0.0 fixes this issue.
Severity
6.1 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/go-vikunja/vikunja/security/ad… | x_refsource_CONFIRM |
| https://vikunja.io/changelog/vikunja-v2.0.0-was-r… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| go-vikunja | vikunja |
Affected:
< 2.0.0
|
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CVE-2026-27166 (GCVE-0-2026-27166)
Vulnerability from cvelistv5 – Published: 2026-03-19 20:29 – Updated: 2026-03-21 03:31
VLAI
Title
Discourse vulnerable to HTML injection via prohibited iframe URLs
Summary
Discourse is an open source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1 and 2026.1.2, insufficient cleanup in the default Codepen allowed iframes value allows an attacker to trick a user into changing the URL of the main page. This issue has been fixed in versions 2026.3.0-latest.1, 2026.2.1 and 2026.1.2. To workaround this issue, remove Codepen from the list of allowed iframes.
Severity
4.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/discourse/discourse/security/a… | x_refsource_CONFIRM |
| https://github.com/discourse/discourse/commit/c47… | x_refsource_MISC |
Impacted products
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CVE-2026-27458 (GCVE-0-2026-27458)
Vulnerability from cvelistv5 – Published: 2026-02-21 06:54 – Updated: 2026-02-24 18:55
VLAI
Title
LinkAce: Stored XSS in Atom Feed via CDATA Escape in List Description
Summary
LinkAce is a self-hosted archive to collect website links. Versions 2.4.2 and below have a Stored Cross-site Scripting vulnerability through the Atom feed endpoint for lists (/lists/feed). An authenticated user can inject a CDATA-breaking payload into a list description that escapes the XML CDATA section, injects a native SVG element into the Atom XML document, and executes arbitrary JavaScript directly in the browser when the feed URL is visited. No RSS reader or additional rendering context is required — the browser's native XML parser processes the injected SVG and fires the onload event handler. This vulnerability exists because the lists feed template outputs list descriptions using Blade's raw syntax ({!! !!}) without sanitization inside a CDATA block. The critical detail is that because the output sits inside <![CDATA[...]]>, an attacker can inject the sequence ]]> to close the CDATA section prematurely, then inject arbitrary XML/SVG elements that the browser parses and executes natively as part of the Atom document. This issue has been fixed in version 2.4.3.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Kovah/LinkAce/security/advisor… | x_refsource_CONFIRM |
| https://github.com/Kovah/LinkAce/commit/eb5ba2abe… | x_refsource_MISC |
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Mitigation
Phase: Implementation
Description:
- Carefully check each input parameter against a rigorous positive specification (allowlist) defining the specific characters and format allowed. All input should be neutralized, not just parameters that the user is supposed to specify, but all data in the request, including hidden fields, cookies, headers, the URL itself, and so forth. A common mistake that leads to continuing XSS vulnerabilities is to validate only fields that are expected to be redisplayed by the site. We often encounter data from the request that is reflected by the application server or the application that the development team did not anticipate. Also, a field that is not currently reflected may be used by a future developer. Therefore, validating ALL parts of the HTTP request is recommended.
Mitigation ID: MIT-30.1
Phase: Implementation
Strategy: Output Encoding
Description:
- Use and specify an output encoding that can be handled by the downstream component that is reading the output. Common encodings include ISO-8859-1, UTF-7, and UTF-8. When an encoding is not specified, a downstream component may choose a different encoding, either by assuming a default encoding or automatically inferring which encoding is being used, which can be erroneous. When the encodings are inconsistent, the downstream component might treat some character or byte sequences as special, even if they are not special in the original encoding. Attackers might then be able to exploit this discrepancy and conduct injection attacks; they even might be able to bypass protection mechanisms that assume the original encoding is also being used by the downstream component.
- The problem of inconsistent output encodings often arises in web pages. If an encoding is not specified in an HTTP header, web browsers often guess about which encoding is being used. This can open up the browser to subtle XSS attacks.
Mitigation ID: MIT-43
Phase: Implementation
Description:
- With Struts, write all data from form beans with the bean's filter attribute set to true.
Mitigation ID: MIT-31
Phase: Implementation
Strategy: Attack Surface Reduction
Description:
- To help mitigate XSS attacks against the user's session cookie, set the session cookie to be HttpOnly. In browsers that support the HttpOnly feature (such as more recent versions of Internet Explorer and Firefox), this attribute can prevent the user's session cookie from being accessible to malicious client-side scripts that use document.cookie. This is not a complete solution, since HttpOnly is not supported by all browsers. More importantly, XmlHttpRequest and other powerful browser technologies provide read access to HTTP headers, including the Set-Cookie header in which the HttpOnly flag is set.
CAPEC-18: XSS Targeting Non-Script Elements
This attack is a form of Cross-Site Scripting (XSS) where malicious scripts are embedded in elements that are not expected to host scripts such as image tags (<img>), comments in XML documents (< !-CDATA->), etc. These tags may not be subject to the same input validation, output validation, and other content filtering and checking routines, so this can create an opportunity for an adversary to tunnel through the application's elements and launch a XSS attack through other elements. As with all remote attacks, it is important to differentiate the ability to launch an attack (such as probing an internal network for unpatched servers) and the ability of the remote adversary to collect and interpret the output of said attack.
CAPEC-193: PHP Remote File Inclusion
In this pattern the adversary is able to load and execute arbitrary code remotely available from the application. This is usually accomplished through an insecurely configured PHP runtime environment and an improperly sanitized "include" or "require" call, which the user can then control to point to any web-accessible file. This allows adversaries to hijack the targeted application and force it to execute their own instructions.
CAPEC-32: XSS Through HTTP Query Strings
An adversary embeds malicious script code in the parameters of an HTTP query string and convinces a victim to submit the HTTP request that contains the query string to a vulnerable web application. The web application then procedes to use the values parameters without properly validation them first and generates the HTML code that will be executed by the victim's browser.
CAPEC-86: XSS Through HTTP Headers
An adversary exploits web applications that generate web content, such as links in a HTML page, based on unvalidated or improperly validated data submitted by other actors. XSS in HTTP Headers attacks target the HTTP headers which are hidden from most users and may not be validated by web applications.