Multiple cross-site scripting (XSS) vulnerabilities in main.php in SF-Shoutbox 1.2.1 through 1.4 allow remote attackers to inject arbitrary web script or HTML via the (1) nick (aka Name) and (2) shout (aka Shout) parameters.
http://www.vupen.com/english/advisories/2007/3722
http://www.smash-the-stack.net/articles/SF-Shoutbox_Injection_Advisory.txt
http://www.securityfocus.com/bid/26320