CVE-2011-4561: Phorum

Medium severity, CVSS 4.3. EPSS: 1.5% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in admin.php in Phorum 5.2.18 allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO to admin/index.php. NOTE: some of these details are obtained from third party information.

Affected products

• Phorum Phorum: version 5.2.18 only

Published 2011-11-28. Last modified 2026-06-16.