CVE-2025-61642
Unknown Unknown - Not Provided

Cross-Site Scripting in MediaWiki HTMLForm Components

Publication date: 2026-02-03

Last updated on: 2026-03-25

Assigner: wikimedia-foundation

Description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/CodexHTMLForm.Php, includes/htmlform/fields/HTMLButtonField.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.

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Meta Information

Published
2026-02-03
Last Modified
2026-03-25
Generated
2026-07-06
AI Q&A
2026-02-04
EPSS Evaluated
2026-07-05
NVD
CVE-2025-61642

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
mediawiki mediawiki 1.44.0
mediawiki mediawiki to 1.39.14 (exc)
mediawiki mediawiki From 1.43.0 (inc) to 1.43.4 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

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Executive Summary

This vulnerability is a Cross-site Scripting (XSS) issue in Wikimedia Foundation MediaWiki. It occurs due to improper neutralization of input during web page generation, specifically in certain program files. This means that malicious scripts can be injected into web pages, potentially executed by users viewing those pages.

Impact Analysis

This vulnerability can allow attackers to execute malicious scripts in the context of users' browsers when they visit affected MediaWiki pages. This can lead to theft of user credentials, session hijacking, or other malicious actions performed on behalf of the user.

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