Deluge 1.3.15 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the URL field. Attackers can paste a buffer of 5000 characters into the 'From URL' field during torrent addition to trigger an application crash.

Deluge 1.3.15 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Webseeds field. Attackers can paste a buffer of 5000 bytes into the Webseeds field during torrent creation to trigger an application crash.

The Deluge Web-UI is vulnerable to cross-site scripting through a crafted torrent file. The the data from torrent files is not properly sanitised as it's interpreted directly as HTML. Someone who supplies the user with a malicious torrent file can execute arbitrary Javascript code in the context of the user's browser session.

The WebUI component in Deluge before 1.3.15 contains a directory traversal vulnerability involving a request in which the name of the render file is not associated with any template file.

CSRF was discovered in the web UI in Deluge before 1.3.14. The exploitation methodology involves (1) hosting a crafted plugin that executes an arbitrary program from its init.py file and (2) causing the victim to download, install, and enable this plugin.