CVE-2012-6453: Mediawiki Rssreader

Medium severity, CVSS 4.3. EPSS: 1% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in the RSS Reader extension before 0.2.6 for MediaWiki allows remote attackers to inject arbitrary web script or HTML via a crafted feed.

Affected products

• Mediawiki Rssreader: up to and including 0.2.5; version 0.2 only; version 0.2.1 only; version 0.2.2 only; version 0.2.3 only; version 0.2.4 only

Published 2012-12-31. Last modified 2026-06-16.