CVE-2014-9475: Mediawiki

Low severity, CVSS 3.5. EPSS: 1.4% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in thumb.php in MediaWiki before 1.19.23, 1.2x before 1.22.15, 1.23.x before 1.23.8, and 1.24.x before 1.24.1 allows remote authenticated users to inject arbitrary web script or HTML via a wikitext message.

Affected products

• Mediawiki Mediawiki: up to and including 1.19.22; version 1.20 only; version 1.20.1 only; version 1.20.2 only; version 1.20.3 only; version 1.20.4 only; …

Published 2015-01-16. Last modified 2026-06-17.