XSS in Deluge-torrent Deluge

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…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (50.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-3427?
CVE-2021-3427 is a medium-severity vulnerability in Deluge-torrent Deluge, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-08-26.
How severe is CVE-2021-3427?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-3427 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.