CVE-2014-2853: Mediawiki

Medium severity, CVSS 4.3. EPSS: 2.4% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in includes/actions/InfoAction.php in MediaWiki before 1.21.9 and 1.22.x before 1.22.6 allows remote attackers to inject arbitrary web script or HTML via the sort key in an info action.

Affected products

• Mediawiki Mediawiki: up to and including 1.21.8; version 1.1.0 only; version 1.2.0 only; version 1.2.1 only; version 1.2.2 only; version 1.2.3 only; …

Published 2014-04-29. Last modified 2026-06-17.