The remote host is vulnerable to multiple attack vectors.
The version of vBulletin installed on the remote host fails to properly sanitize user-supplied input to a number of parameters and scripts before using it in database queries and to generate dynamic HTML. An attacker can exploit these issues to launch SQL injection and cross-site scripting attacks against the affected application. Note that the affected scripts require moderator or administrator acess, with the exception of 'joinrequests.php'.
Upgrade to version 3.0.10 or higher.