CVE-2025-61640

Stored XSS through system messages in Special:RecentChangesLinked (MW Core)

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 resources/src/mediawiki.Rcfilters/ui/RclToOrFromWidget.Js.

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:P/PR:H/UI:A/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N	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/T402075

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