source: https://www.securityfocus.com/bid/42478/info

123 Flash Chat is prone to multiple security vulnerabilities. These vulnerabilities include a cross-site scripting vulnerability, multiple information-disclosure vulnerabilities, and a directory-traversal vulnerability.

An attacker can exploit these vulnerabilities to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site, steal cookie-based authentication credentials, obtain sensitive information, or perform unauthorized actions. Other attacks are also possible.

123 Flash Chat 7.8 is vulnerable; other versions may also be affected.

http://www.example.com/%5C..%5C..%5C..%5C..%5C..%5C..%5C..%5C..%5C..%5C..%5Cboot.ini


http://www.example.com/index.html%27%22--%3E%3Cscript%3Ealert%28%22Corelan%22%29%3C/script%3E


http://www.example.com/lite-chat-login.html