CVE-2006-3549: Horde Application Framework

Medium severity, CVSS 5.0. EPSS: 2.4% chance of exploitation in the next 30 days.

services/go.php in Horde Application Framework 3.0.0 through 3.0.10 and 3.1.0 through 3.1.1 does not properly restrict its image proxy capability, which allows remote attackers to perform "Web tunneling" attacks and use the server as a proxy via (1) http, (2) https, and (3) ftp URL in the url parameter, which is requested from the server.

Affected products

• Horde Horde Application Framework: version 3.0.0 only; version 3.0.1 only; version 3.0.2 only; version 3.0.3 only; version 3.0.4 only; version 3.0.5 only; …

Published 2006-07-13. Last modified 2026-06-16.