CVE-2021-3427

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.

Affected

Deluge-web

CVSS v4.0 GitHub

5.3 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

CVSS v3.1 NVD

6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.94% chance of exploitation in the next 30 days, 60th percentile

Published

2022-08-26

Updated

2024-08-03

Proof-of-concept exploits (1)

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

Security advisories

• https://dev.deluge-torrent.org/ticket/3459
• https://security.gentoo.org/glsa/202210-07
• advisories/GHSA-5c8p-qhch-qhx6

References

• CVE Record
• NVD entry