CVE-2026-0669: Css Project Css

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Wikimedia Foundation MediaWiki - CSS extension allows Path Traversal.This issue affects MediaWiki - CSS extension: 1.44, 1.43, 1.39.

Affected products

• Css Project Css: affected versions not specified

Published 2026-01-07. Last modified 2026-06-17.