source: https://www.securityfocus.com/bid/11795/info

It is reported that Blog Torrent is prone to a remote directory traversal vulnerability. This issue is due to a failure of the server process to properly filter user supplied input. 

Blog Torrent preview 0.8 version is affected by this vulnerability.

htp://www.example.com/battletorrent/btdownload.php?type=torrent&file=../../etc/passwd