Cross-site scripting (XSS) vulnerability in UseBB 1.0 RC1 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified vectors when processing the user date format.
https://exchange.xforce.ibmcloud.com/vulnerabilities/26600
http://www.vupen.com/english/advisories/2006/1900
http://www.usebb.net/community/topic.php?id=1130
http://sourceforge.net/project/shownotes.php?release_id=418462&group_id=93103