Multiple cross-site scripting (XSS) vulnerabilities in shout.php (aka the shoutbox) in LineShout 1.0 allow remote attackers to inject arbitrary web script or HTML via the (1) username (nickname) or (2) message parameter. NOTE: some of these details are obtained from third party information.
https://exchange.xforce.ibmcloud.com/vulnerabilities/39090
http://www.securityfocus.com/bid/26906
http://secunia.com/advisories/28137
http://davidsopas.com/blog/2007/12/17/lineshout-v10-software-html-injection/