CVE-2021-3427

Name	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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
Debian Bugs	1019594

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
deluge (PTS)	buster	1.3.15-2	vulnerable
	bullseye	2.0.3-3.1	vulnerable
	bookworm, sid	2.0.3-4	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
deluge	source	experimental	2.1.1-1
deluge	source	(unstable)	(unfixed)			1019594

Notes

[bookworm] - deluge <no-dsa> (Minor issue)
[bullseye] - deluge <no-dsa> (Minor issue)
[buster] - deluge <no-dsa> (Minor issue)
https://dev.deluge-torrent.org/ticket/3459
https://dev.deluge-torrent.org/changeset/8ece03677
https://dev.deluge-torrent.org/changeset/a5503c0c606