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CVE-2021-3427

Description

The Deluge Web-UI is vulnerable to XSS 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.

POC

Reference

- https://groups.google.com/g/deluge-dev/c/e5zh7wT0rEg

Github

- https://github.com/ARPSyndicate/cvemon