Cross-site scripting (XSS) vulnerability in members.php in XMB 1.9.3 and earlier allows remote attackers to inject arbitrary web script or HTML via the "Your Current Mood" field in the registration page.
https://docs.xmbforum2.com/index.php?title=Security_Issue_History
http://www.vupen.com/english/advisories/2005/2488
http://www.securityfocus.com/bid/15489
http://www.securityfocus.com/archive/1/417078/30/0/threaded