CVE-2014-5243: Mediawiki

Medium severity, CVSS 4.3. EPSS: 1.8% chance of exploitation in the next 30 days.

MediaWiki before 1.19.18, 1.20.x through 1.22.x before 1.22.9, and 1.23.x before 1.23.2 does not enforce an IFRAME protection mechanism for transcluded pages, which makes it easier for remote attackers to conduct clickjacking attacks via a crafted web site.

Affected products

• Mediawiki Mediawiki: up to and including 1.19.17; version 1.19 only; version 1.19.0 only; version 1.19.1 only; version 1.19.2 only; version 1.19.3 only; …

Published 2014-08-22. Last modified 2026-06-17.