source: https://www.securityfocus.com/bid/12929/info Chatness is prone to an HTML injection vulnerability. This issue is exposed through various chat message form fields. Exploitation will allow an attacker to inject hostile HTML and script code into the session of another user. An attacker could take advantage of this vulnerability to steal cookie-based authentication credentials or launch other attacks. Chatness 2.5.1 Html Injection Exploit

Chatness 2.5.1 Html Injection Exploit