CWE-116

Improper Encoding or Escaping of Output

The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.

CVE-2026-24439 (GCVE-0-2026-24439)

Vulnerability from cvelistv5 – Published: 2026-01-26 17:48 – Updated: 2026-05-14 02:09

Title

Tenda W30E V2 Lacks X-Content-Type-Options Header

Summary

Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) fail to include the X-Content-Type-Options: nosniff response header on web management interfaces. As a result, browsers that perform MIME sniffing may incorrectly interpret attacker-influenced responses as executable script.

Severity

2.1 (Low)


                        
                          CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-116 - Improper Encoding or Escaping of Output

Assigner

VulnCheck

References

2 references

URL	Tags
https://www.tendacn.com/product/W30E	product
https://www.vulncheck.com/advisories/tenda-w30e-v…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
Shenzhen Tenda Technology Co., Ltd.	W30E V2	Affected: 0 , ≤ 16.01.0.19(5037) (custom)

Credits

Kazuma Matsumoto, Security Researcher at GMO Cybersecurity by IERAE, Inc.

Show details on NVD website

JSON

To clipboard

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CVE-2026-24737 (GCVE-0-2026-24737)

Vulnerability from cvelistv5 – Published: 2026-02-02 20:29 – Updated: 2026-02-03 15:07

Title

jsPDF has a PDF Injection in AcroFormChoiceField which allows Arbitrary JavaScript Execution

Summary

jsPDF is a library to generate PDFs in JavaScript. Prior to 4.1.0, user control of properties and methods of the Acroform module allows users to inject arbitrary PDF objects, such as JavaScript actions. If given the possibility to pass unsanitized input to one of the following methods or properties, a user can inject arbitrary PDF objects, such as JavaScript actions, which are executed when the victim opens the document. The vulnerable API members are AcroformChoiceField.addOption, AcroformChoiceField.setOptions, AcroFormCheckBox.appearanceState, and AcroFormRadioButton.appearanceState. The vulnerability has been fixed in jsPDF@4.1.0.

Severity

8.1 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-116 - Improper Encoding or Escaping of Output

Assigner

GitHub_M

References

3 references

URL	Tags
https://github.com/parallax/jsPDF/security/adviso…	x_refsource_CONFIRM
https://github.com/parallax/jsPDF/commit/da291a5f…	x_refsource_MISC
https://github.com/parallax/jsPDF/releases/tag/v4.1.0	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
parallax	jsPDF	Affected: < 4.1.0

Show details on NVD website

JSON

To clipboard

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CVE-2026-25230 (GCVE-0-2026-25230)

Vulnerability from cvelistv5 – Published: 2026-02-09 18:32 – Updated: 2026-02-10 16:01

Title

FileRise affected by HTML Injection using color property in file tags

Summary

FileRise is a self-hosted web file manager / WebDAV server. Prior to 3.3.0, an HTML Injection vulnerability allows an authenticated user to modify the DOM and add e.g. form elements that call certain endpoints or link elements that redirect the user on active interaction. This vulnerability is fixed in 3.3.0.

Severity

4.6 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L

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')
CWE-116 - Improper Encoding or Escaping of Output

Assigner

GitHub_M

References

4 references

URL	Tags
https://github.com/error311/FileRise/security/adv…	x_refsource_CONFIRM
https://github.com/error311/FileRise/blob/7fee135…	x_refsource_MISC
https://github.com/error311/FileRise/blob/7fee135…	x_refsource_MISC
https://github.com/error311/FileRise/releases/tag…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
error311	FileRise	Affected: < 3.3.0

Show details on NVD website

JSON

To clipboard

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CVE-2026-25543 (GCVE-0-2026-25543)

Vulnerability from cvelistv5 – Published: 2026-02-04 21:45 – Updated: 2026-02-05 18:24

Title

HtmlSanitizer has a bypass via template tag

Summary

HtmlSanitizer is a .NET library for cleaning HTML fragments and documents from constructs that can lead to XSS attacks. Prior to versions 9.0.892 and 9.1.893-beta, if the template tag is allowed, its contents are not sanitized. The template tag is a special tag that does not usually render its contents, unless the shadowrootmode attribute is set to open or closed. This issue has been patched in versions 9.0.892 and 9.1.893-beta.

Severity

6.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-116 - Improper Encoding or Escaping of Output

Assigner

GitHub_M

References

4 references

URL	Tags
https://github.com/mganss/HtmlSanitizer/security/…	x_refsource_CONFIRM
https://github.com/mganss/HtmlSanitizer/commit/0a…	x_refsource_MISC
https://www.nuget.org/packages/HtmlSanitizer/9.0.892	x_refsource_MISC
https://www.nuget.org/packages/HtmlSanitizer/9.1.…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
mganss	HtmlSanitizer	Affected: < 9.0.892 Affected: < 9.1.893-beta

Show details on NVD website

JSON

To clipboard

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CVE-2026-25755 (GCVE-0-2026-25755)

Vulnerability from cvelistv5 – Published: 2026-02-19 14:41 – Updated: 2026-02-19 17:36

Title

jsPDF has PDF Object Injection via Unsanitized Input in addJS Method

Summary

jsPDF is a library to generate PDFs in JavaScript. Prior to 4.2.0, user control of the argument of the `addJS` method allows an attacker to inject arbitrary PDF objects into the generated document. By crafting a payload that escapes the JavaScript string delimiter, an attacker can execute malicious actions or alter the document structure, impacting any user who opens the generated PDF. The vulnerability has been fixed in jspdf@4.2.0. As a workaround, escape parentheses in user-provided JavaScript code before passing them to the `addJS` method.

Severity

8.1 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-94 - Improper Control of Generation of Code ('Code Injection')
CWE-116 - Improper Encoding or Escaping of Output

Assigner

GitHub_M

References

4 references

URL	Tags
https://github.com/parallax/jsPDF/security/adviso…	x_refsource_CONFIRM
https://github.com/parallax/jsPDF/commit/56b46d45…	x_refsource_MISC
https://github.com/ZeroXJacks/CVEs/blob/main/2026…	x_refsource_MISC
https://github.com/parallax/jsPDF/releases/tag/v4.2.0	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
parallax	jsPDF	Affected: < 4.2.0

Show details on NVD website

JSON

To clipboard

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CVE-2026-25932 (GCVE-0-2026-25932)

Vulnerability from cvelistv5 – Published: 2026-04-06 14:31 – Updated: 2026-04-07 13:07

Title

GLPI has Stored XSS in Supplier 'Website' field

Summary

GLPI is a Free Asset and IT Management Software package. From 0.60 to before 10.0.24, an authenticated technician user can store an XSS payload in a supplier fields. This vulnerability is fixed in 10.0.24.

Severity

7.2 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-116 - Improper Encoding or Escaping of Output
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

GitHub_M

References

1 reference

URL	Tags
https://github.com/glpi-project/glpi/security/adv…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
glpi-project	glpi	Affected: >= 0.60, < 10.0.24

Show details on NVD website

JSON

To clipboard

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CVE-2026-25940 (GCVE-0-2026-25940)

Vulnerability from cvelistv5 – Published: 2026-02-19 15:26 – Updated: 2026-02-19 17:35

Title

jsPDF's PDF Injection in AcroForm module allows Arbitrary JavaScript Execution (RadioButton.createOption and "AS" property)

Summary

jsPDF is a library to generate PDFs in JavaScript. Prior to 4.2.0, user control of properties and methods of the Acroform module allows users to inject arbitrary PDF objects, such as JavaScript actions. If given the possibility to pass unsanitized input to one of the following property, a user can inject arbitrary PDF objects, such as JavaScript actions, which are executed when the victim hovers over the radio option. The vulnerability has been fixed in jsPDF@4.2.0. As a workaround, sanitize user input before passing it to the vulnerable API members.

Severity

8.1 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-116 - Improper Encoding or Escaping of Output

Assigner

GitHub_M

References

3 references

URL	Tags
https://github.com/parallax/jsPDF/security/adviso…	x_refsource_CONFIRM
https://github.com/parallax/jsPDF/commit/71ad2dbf…	x_refsource_MISC
https://github.com/parallax/jsPDF/releases/tag/v4.2.0	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
parallax	jsPDF	Affected: < 4.2.0

Show details on NVD website

JSON

To clipboard

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CVE-2026-26027 (GCVE-0-2026-26027)

Vulnerability from cvelistv5 – Published: 2026-04-06 14:35 – Updated: 2026-04-07 03:55

Title

GLPI has an Unauthenticated Stored XSS via inventory

Summary

GLPI is a free asset and IT management software package. From 11.0.0 to before 11.0.6, an unauthenticated user can store an XSS payload through the inventory endpoint. This vulnerability is fixed in 11.0.6.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-116 - Improper Encoding or Escaping of Output
CWE-306 - Missing Authentication for Critical Function

Assigner

GitHub_M

References

1 reference

URL	Tags
https://github.com/glpi-project/glpi/security/adv…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
glpi-project	glpi	Affected: >= 11.0.0, < 11.0.6

Show details on NVD website

JSON

To clipboard

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CVE-2026-26028 (GCVE-0-2026-26028)

Vulnerability from cvelistv5 – Published: 2026-05-20 18:51 – Updated: 2026-05-20 19:33

Title

CryptPad: Sanitizer Bypass in Diffmarked.js Allows Arbitrary HTML Injection and Potential XSS

Summary

CryptPad is an end-to-end encrypted collaborative office suite. In versions prior to 2026.2.0, the HTML sanitizer in Diffmarked.js can be bypassed due to incomplete attribute filtering on restricted tags. The sanitizer validates only the src attribute of <iframe>, <video>, and <audio> elements, leaving all other attributes unchecked. As a result, an attacker can inject arbitrary HTML through srcdoc, completely defeating CryptPad's intended bounce sandboxing and enabling link injection or other interactive content within user-controlled documents. The root cause lies in how the sanitizer classifies and enforces tag restrictions: although it defines both forbidden and restricted tag lists, <iframe> is treated as "restricted" rather than "forbidden." Enforcement then inspects only the src attribute, so pairing a benign blob: src with a malicious srcdoc results in unrestricted rendering. This issue has been fixed in version 2026.2.0.

Severity

6.1 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-116 - Improper Encoding or Escaping of Output
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

GitHub_M

References

2 references

URL	Tags
https://github.com/cryptpad/cryptpad/security/adv…	x_refsource_CONFIRM
https://github.com/cryptpad/cryptpad/releases/tag…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
cryptpad	cryptpad	Affected: < 2026.2.0

Show details on NVD website

JSON

To clipboard

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CVE-2026-26952 (GCVE-0-2026-26952)

Vulnerability from cvelistv5 – Published: 2026-02-19 22:43 – Updated: 2026-02-20 15:40

Title

Pi-hole Web Interface has Stored HTML Injection via Local DNS Records (CNAME/Hosts) in data-tag Attribute

Summary

Pi-hole Admin Interface is a web interface for managing Pi-hole, a network-level ad and internet tracker blocking application. Versions 6.4 and below are vulnerable to stored HTML injection through the local DNS records configuration page, which allows an authenticated administrator to inject code that is stored in the Pi-hole configuration and rendered every time the DNS records table is viewed. The populateDataTable() function contains a data variable with the full DNS record value exactly as entered by the user and returned by the API. This value is inserted directly into the data-tag HTML attribute without any escaping or sanitization of special characters. When an attacker supplies a value containing double quotes ("), they can prematurely “close” the data-tag attribute and inject additional HTML attributes into the element. Since Pi-hole implements a Content Security Policy (CSP) that blocks inline JavaScript, the impact is limited. This issue has been fixed in version 6.4.1.

Severity

5.4 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-20 - Improper Input Validation
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-116 - Improper Encoding or Escaping of Output

Assigner

GitHub_M

References

3 references

URL	Tags
https://github.com/pi-hole/web/security/advisorie…	x_refsource_CONFIRM
https://github.com/pi-hole/web/commit/d328f143718…	x_refsource_MISC
https://github.com/pi-hole/web/releases/tag/v6.4.1	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
pi-hole	web	Affected: < 6.4.1

Show details on NVD website

JSON

To clipboard

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Mitigation ID: MIT-4.3

Phase: Architecture and Design

Strategy: Libraries or Frameworks

Description:

Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
For example, consider using the ESAPI Encoding control [REF-45] or a similar tool, library, or framework. These will help the programmer encode outputs in a manner less prone to error.
Alternately, use built-in functions, but consider using wrappers in case those functions are discovered to have a vulnerability.

Mitigation ID: MIT-27

Phase: Architecture and Design

Strategy: Parameterization

Description:

If available, use structured mechanisms that automatically enforce the separation between data and code. These mechanisms may be able to provide the relevant quoting, encoding, and validation automatically, instead of relying on the developer to provide this capability at every point where output is generated.
For example, stored procedures can enforce database query structure and reduce the likelihood of SQL injection.

Mitigation

Phases: Architecture and Design, Implementation

Description:

Understand the context in which your data will be used and the encoding that will be expected. This is especially important when transmitting data between different components, or when generating outputs that can contain multiple encodings at the same time, such as web pages or multi-part mail messages. Study all expected communication protocols and data representations to determine the required encoding strategies.

Mitigation

Phase: Architecture and Design

Description:

In some cases, input validation may be an important strategy when output encoding is not a complete solution. For example, you may be providing the same output that will be processed by multiple consumers that use different encodings or representations. In other cases, you may be required to allow user-supplied input to contain control information, such as limited HTML tags that support formatting in a wiki or bulletin board. When this type of requirement must be met, use an extremely strict allowlist to limit which control sequences can be used. Verify that the resulting syntactic structure is what you expect. Use your normal encoding methods for the remainder of the input.

Mitigation

Phase: Architecture and Design

Description:

Use input validation as a defense-in-depth measure to reduce the likelihood of output encoding errors (see CWE-20).

Mitigation

Phase: Requirements

Description:

Fully specify which encodings are required by components that will be communicating with each other.

Mitigation

Phase: Implementation

Description:

When exchanging data between components, ensure that both components are using the same character encoding. Ensure that the proper encoding is applied at each interface. Explicitly set the encoding you are using whenever the protocol allows you to do so.

CAPEC-104: Cross Zone Scripting

An attacker is able to cause a victim to load content into their web-browser that bypasses security zone controls and gain access to increased privileges to execute scripting code or other web objects such as unsigned ActiveX controls or applets. This is a privilege elevation attack targeted at zone-based web-browser security.

CAPEC-73: User-Controlled Filename

An attack of this type involves an adversary inserting malicious characters (such as a XSS redirection) into a filename, directly or indirectly that is then used by the target software to generate HTML text or other potentially executable content. Many websites rely on user-generated content and dynamically build resources like files, filenames, and URL links directly from user supplied data. In this attack pattern, the attacker uploads code that can execute in the client browser and/or redirect the client browser to a site that the attacker owns. All XSS attack payload variants can be used to pass and exploit these vulnerabilities.

CAPEC-81: Web Server Logs Tampering

Web Logs Tampering attacks involve an attacker injecting, deleting or otherwise tampering with the contents of web logs typically for the purposes of masking other malicious behavior. Additionally, writing malicious data to log files may target jobs, filters, reports, and other agents that process the logs in an asynchronous attack pattern. This pattern of attack is similar to "Log Injection-Tampering-Forging" except that in this case, the attack is targeting the logs of the web server and not the application.

CAPEC-85: AJAX Footprinting

This attack utilizes the frequent client-server roundtrips in Ajax conversation to scan a system. While Ajax does not open up new vulnerabilities per se, it does optimize them from an attacker point of view. A common first step for an attacker is to footprint the target environment to understand what attacks will work. Since footprinting relies on enumeration, the conversational pattern of rapid, multiple requests and responses that are typical in Ajax applications enable an attacker to look for many vulnerabilities, well-known ports, network locations and so on. The knowledge gained through Ajax fingerprinting can be used to support other attacks, such as XSS.

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