vBulletin acuparam Cross Site Scripting Exploit

Input passed via the URL is not properly sanitised before being returned to the user within the search.php, sendmessage.php, showgroups.php, usercp.php, online.php, misc.php, memberlist.php, member.php, index.php, forumdisplay.php, inlinemod.php, newthread.php, private.php, profile.php, register.php, showthread.php, subscription.php, forum.php, faq.php, and calendar.php script. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
Vulnerabilty ID: 
Released Date: 
Monday, March 1, 2010 - 18:00