CVE-2013-4307: Mediawiki

Medium severity, CVSS 4.3. EPSS: 2% chance of exploitation in the next 30 days.

Multiple cross-site scripting (XSS) vulnerabilities in repo/includes/EntityView.php in the Wikibase extension for MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 allow (1) remote attackers to inject arbitrary web script or HTML via a label in the "In other languages" section or (2) remote administrators to inject arbitrary web script or HTML via a description.

Affected products

• Mediawiki Mediawiki: version 1.19 only; version 1.19.0 only; version 1.19.1 only; version 1.19.2 only; version 1.19.3 only; version 1.19.4 only; …

Published 2013-09-12. Last modified 2026-06-16.