CVE-2025-11261

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.Language/mediawiki.Language.Js. This issue affects MediaWiki: from * before 1.39.15, 1.43.5, 1.44.2.

PUBLISHED Reserved 2025-10-03 | Published 2026-02-03 | Updated 2026-02-03 | Assigner wikimedia-foundation

Problem types

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

Product status

References

https//phabricator.wikimedia.org/T406322

phabricator.wikimedia.org/T402077

cve.org (CVE-2025-11261)

nvd.nist.gov (CVE-2025-11261)

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