Medium severity6.1NVD Advisory· Published Feb 3, 2026· Updated Jun 17, 2026
CVE-2025-11261
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: <1.39.15, 1.43.5, 1.44.2
Patches
Vulnerability mechanics
References
2- https//phabricator.wikimedia.org/T406322nvdBroken Link
- phabricator.wikimedia.org/T402077nvdPermissions Required
News mentions
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