Medium severity4.8OSV Advisory· Published Feb 3, 2026· Updated Jun 17, 2026
CVE-2025-61637
CVE-2025-61637
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.Action/mediawiki.Action.Edit.Preview.Js, resources/src/mediawiki.Page.Preview.Js.
This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
31.1.0, 1.3.0beta1, 1.39.0, …+ 1 more
- (no CPE)range: 1.1.0, 1.3.0beta1, 1.39.0, …
- (no CPE)range: <1.39.14, 1.43.4, 1.44.1
Patches
Vulnerability mechanics
References
1- phabricator.wikimedia.org/T394856nvdPermissions Required
News mentions
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