CVE-2024-23179: Mediawiki

Medium severity, CVSS 6.1. EPSS: 0.4% chance of exploitation in the next 30 days.

An issue was discovered in the GlobalBlocking extension in MediaWiki before 1.40.2. For a Special:GlobalBlock?uselang=x-xss URI, i18n-based XSS can occur via the parentheses message. This affects subtitle links in buildSubtitleLinks.

Affected products

• Mediawiki Mediawiki: before 1.40.2 (fixed in 1.40.2)

Published 2024-01-12. Last modified 2026-06-17.