VULNERABILITY INTELLIGENCE
CVE-2026-39933
EPSS probability0.34%
CISA KEVNot currently listed
Published2026-04-07
Last modified2026-07-21
Description
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - GlobalWatchlist Extension allows Cross-Site Scripting (XSS). The issue has been remediated on the `master` branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.
Weakness classification
- c4f26cc8-17ff-4c99-b5e2-38fc1793eacc: CWE-79