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.