CVE-2014-9476: Mediawiki

Medium severity, CVSS 5.0. EPSS: 2.2% chance of exploitation in the next 30 days.

MediaWiki 1.2x before 1.22.15, 1.23.x before 1.23.8, and 1.24.x before 1.24.1 allows remote attackers to bypass CORS restrictions in $wgCrossSiteAJAXdomains via a domain that has a partial match to an allowed origin, as demonstrated by "http://en.wikipedia.org.evilsite.example/."

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.