Cross-site scripting (XSS) vulnerability in thread.php in WoltLab Burning Board 2.3.1 and earlier allows remote attackers to inject arbitrary web script or HTML via the hilight parameter.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-1288
http://www.securityfocus.com/bid/13325
http://securitytracker.com/id?1013790