html/index.php in TorrentFlux 2.3 allows remote authenticated users to execute arbitrary code via a URL with a file containing an executable extension in the url_upload parameter, which is downloaded by TorrentFlux and can be accessed via a direct request in a html/downloads/ user directory.

Cross-site request forgery (CSRF) vulnerability in html/admin.php in TorrentFlux 2.3 allows remote attackers to hijack the authentication of administrators for requests that add new accounts via the addUser action.

The CAPTCHA implementation as used in (1) Francisco Burzi PHP-Nuke 7.0 and 8.1, (2) my123tkShop e-Commerce-Suite (aka 123tkShop) 0.9.1, (3) phpMyBitTorrent 1.2.2, (4) TorrentFlux 2.3, (5) e107 0.7.11, (6) WebZE 0.5.9, (7) Open Media Collectors Database (aka OpenDb) 1.5.0b4, and (8) Labgab 1.1 uses a code_bg.jpg background image and the PHP ImageString function in a way that produces an insufficient number of different images, which allows remote attackers to pass the CAPTCHA test via an automated attack using a table of all possible image checksums and their corresponding digit strings.