Cross-site scripting (XSS) vulnerability in announce.php in Blog Torrent Preview 0.92 allows remote attackers to inject arbitrary web script or HTML via the left parameter.

Directory traversal vulnerability in btdownload.php in Blog Torrent preview 0.8 allows remote attackers to download arbitrary files via a .. (dot dot) in the file argument.

Blog Torrent 0.92 and earlier stores sensitive files under the web document root in the (1) data or (2) torrents directories with insufficient access control, which allows remote attackers to obtain sensitive information such as account names and password hashes, as demonstrated using data/newusers.