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.