CVE-2009-4458: FreePBX

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

Multiple cross-site scripting (XSS) vulnerabilities in FreePBX 2.5.2 and 2.6.0rc2, and possibly other versions, allow remote attackers to inject arbitrary web script or HTML via the (1) tech parameter to admin/admin/config.php during a trunks display action, the (2) description parameter during an Add Zap Channel action, and (3) unspecified vectors during an Add Recordings action.

Affected products

• FreePBX FreePBX: version 2.5.2 only; version 2.6.0 only

Published 2009-12-30. Last modified 2026-06-16.