CVE-2007-3963: Usebb

High severity, CVSS 9.3. EPSS: 2.4% chance of exploitation in the next 30 days.

Multiple cross-site scripting (XSS) vulnerabilities in UseBB 1.0.7, and possibly other 1.0.x versions, allow remote attackers to inject arbitrary web script or HTML via the PATH_INFO (PHP_SELF) to (1) upgrade-0-2-3.php, (2) upgrade-0-3.php, or (3) upgrade-0-4.php in install/, a different vulnerability than CVE-2005-4193.

Affected products

• Usebb Usebb: version 1.0 only; version 1.0.1 only; version 1.0.2 only; version 1.0.3 only; version 1.0.4 only; version 1.0.5 only; …

Published 2007-07-25. Last modified 2026-06-16.