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.

PUBLISHED Reserved 2025-09-29 | Published 2026-02-02 | 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

phabricator.wikimedia.org/T394856

cve.org (CVE-2025-61637)

nvd.nist.gov (CVE-2025-61637)

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