Cross-site scripting (XSS) vulnerability in PHP-Fusion before 6.00.304 allows remote attackers to inject arbitrary web script or HTML via the (1) shout_name field in shoutbox_panel.php and the (2) comments field in comments_include.php.
https://exchange.xforce.ibmcloud.com/vulnerabilities/24548
http://www.vupen.com/english/advisories/2006/0463
http://www.securityfocus.com/bid/16548
http://www.php-fusion.co.uk/news.php?readmore=307