CVE-2009-4255: Youjoomla You!hostit!

Medium severity, CVSS 4.3. EPSS: 1.1% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in the You!Hostit! template 1.0.1 for Joomla! allows remote attackers to inject arbitrary web script or HTML via the created_by_alias parameter in index.php.

Affected products

• Youjoomla You!hostit!: version 1.0.1 only

Published 2009-12-10. Last modified 2026-06-16.