CVE-2025-61657

mediawiki: Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedi...

CVE-2025-61657 is fixed in mediawiki on 1 platform, first by DEBIAN-CVE-2025-61657, released February 3, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

n/a

No vendor severity

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0030

22nd percentile

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Vector. This vulnerability is associated with program files resources/skins.Vector.Js/stickyHeader.Js. This issue affects Vector: from * before 1.43.4, 1.44.1.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
mediawiki · Debian 13.5 (trixie)	1:1.43.6+dfsg-1~deb13u1	DEBIAN-CVE-2025-61657	Feb 3, 2026
mediawiki · Debian 14	1:1.43.5+dfsg-1	DEBIAN-CVE-2025-61657	Feb 3, 2026

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