CVE-2005-4551: Simpbook

Medium severity, CVSS 4.3. EPSS: 1.2% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in sign.php in codegrrl SimpBook 1.0, when html_enable is on, allows remote attackers to inject arbitrary web script or HTML via the message parameter to index.php.

Affected products

• Simpbook Simpbook: version 1.0 only

Published 2005-12-28. Last modified 2026-06-16.