VYPR
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Unrated severityOSV Advisory· Published Feb 2, 2026· Updated Feb 3, 2026

Stored XSS through system messages in MW Core

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

2
  • Wikimedia Foundation/MediawikiOSV2 versions
    1.1.0, 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, >=1.43.0 <1.43.4, >=1.44.0 <1.44.1

Patches

Vulnerability mechanics

References

1

News mentions

0

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