[ CVE-2026-100383 · Published 25 Sep 2026 ]
Vulnerability in Wikimedia Foundation Mediawiki - WikiLambda Extension
CVSS 4.8
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 - WikiLambda Extension allows Cross-Site Scripting (XSS). This issue affects Mediawiki - WikiLambda Extension: 1.47.0-alpha. The issue has been remediated on the `master` branch.
[ 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.