[ CVE-2026-103051 · Published 30 Sep 2026 ]

Vulnerability in The Wikimedia Foundation Mediawiki - CentralNotice extension

CVSS 6.1 EPSS <1%No fix listed yet

[ Description ]Official description

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - CentralNotice extension allows Stored XSS. This issue affects Mediawiki - CentralNotice extension: before 1.46.1, 1.45.5, 1.43.10.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.