CVE-2013-4301: Mediawiki

Medium severity, CVSS 5.0. EPSS: 2.1% chance of exploitation in the next 30 days.

includes/resourceloader/ResourceLoaderContext.php in MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 allows remote attackers to obtain sensitive information via a "<" (open angle bracket) character in the lang parameter to w/load.php, which reveals the installation path in an error message.

Affected products

• Mediawiki Mediawiki: 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; version 1.19.5 only; …

Published 2013-10-27. Last modified 2026-06-16.