CVE-2008-3824: Horde

Medium severity, CVSS 4.3. EPSS: 5.2% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in (1) Text_Filter/Filter/xss.php in Horde 3.1.x before 3.1.9 and 3.2.x before 3.2.2 and (2) externalinput.php in Popoon r22196 and earlier allows remote attackers to inject arbitrary web script or HTML by using / (slash) characters as replacements for spaces in an HTML e-mail message.

Affected products

• Horde Horde: version 3.1.1 only; version 3.1.2 only; version 3.1.3 only; version 3.1.4 only; version 3.1.5 only; version 3.1.6 only; …
• Popoon Popoon: up to and including r22196

Published 2008-09-12. Last modified 2026-06-16.