CVE-2025-61636

Codex Special:Block vulnerable to message key XSS

State: Published
Severity: 0.0 None
Published: Feb 2, 2026
Updated: Feb 3, 2026
Reserved: Sep 29, 2025

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/fields/HTMLButtonField.Php.

This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.

Scores

CVSS	Score	Vector	Source
4.0	0.0 None	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/U:Clear	wikimedia-foundation

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Affected Products

Product	Versions
MediaWikiWikimedia Foundation	before 1.39.14, 1.43.4, 1.44.1Affected

References

https://phabricator.wikimedia.org/T394396

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