CVE-2012-3828: Joomla!

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

Cross-site scripting (XSS) vulnerability in Joomla! 2.5.3 allows remote attackers to inject arbitrary web script or HTML via the Host HTTP Header.

Affected products

• Joomla! Joomla!: version 2.5.3 only

Published 2012-07-03. Last modified 2026-06-16.