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 arbitrary Javascript code in the context of the user's browser session.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.010 (61.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.010 · change: +0.000
Affected products
- Deluge-Torrent Deluge
- Deluge-Web — versions Not-Known
Weakness classification (CWE)
Public proof-of-concept exploits
References
- dev.deluge-torrent.org/ticket/3459 (Exploit, Patch, Issue Tracking, Vendor Advisory)
- groups.google.com/g/deluge-dev/c/e5zh7wT0rEg (Exploit, Mailing List, Third Party Advisory, Issue Tracking)
- security.gentoo.org/glsa/202210-07 (vendor-advisory, Third Party Advisory)
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.