CVE-2025-61634

mediawiki: Vulnerability in Wikimedia Foundation MediaWiki

CVE-2025-61634 is fixed in mediawiki on 1 platform, first by DEBIAN-CVE-2025-61634, released February 3, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
3.1
low
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0031
24th percentile

Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Rest/Handler/PageHTMLHandler.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.

Where it's fixed

ProductFixed inFixReleased
Linux
mediawiki · Debian 13.5 (trixie) 1:1.43.6+dfsg-1~deb13u1 DEBIAN-CVE-2025-61634 Feb 3, 2026
mediawiki · Debian 14 1:1.43.5+dfsg-1 DEBIAN-CVE-2025-61634 Feb 3, 2026

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