XSS in Wikimedia Foundation MediaWiki

CVE-2025-61644

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (16.1th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

References