CVE-2025-61644: Wikimedia Foundation Mediawiki

None severity, CVSS 0.0. EPSS: 0.3% chance of exploitation in the next 30 days.

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/WatchlistTopSectionWidget.Js. This issue affects MediaWiki: from * before > fb856ce9cf121e046305116852cca4899ecb48ca.

Affected products

• Wikimedia Foundation Mediawiki

Published 2026-02-03. Last modified 2026-06-17.