[ CVE-2026-100243 · Published 29 Sep 2026 ]
Vulnerability in Wikimedia Foundation Mediawiki - WikiSEO Extension
CVSS 6.1
EPSS <1%No fix listed yet
[ Description ]Official description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - WikiSEO Extension allows Stored XSS. This issue affects Mediawiki - WikiSEO Extension: from * 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.