Cross-site scripting (XSS) vulnerability in vbugs.php in Dark_Wizard vBug Tracker 3.5.1 and earlier allows remote attackers to inject arbitrary web script or HTML via the sortorder parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/25649
http://www.vupen.com/english/advisories/2006/1267
http://www.securityfocus.com/bid/17407
http://secunia.com/advisories/19562
http://pridels0.blogspot.com/2006/04/vbug-tracker-for-vbulletin-35x-xss.html