CVE-2021-3427
MEDIUM6.1EPSS 0.63%Deluge Web-UI vulnerable to XSS through a crafted torrent file
Published: 8/27/2022Modified: 4/28/2026
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.
Affected packages (3)
- Debian/delugefrom 0
- PyPI/delugefrom 0, < 2.1.0
- PyPI/delugefrom 0, < 2.1.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N |
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
References (8)
- ADVISORYhttps://github.com/advisories/GHSA-5c8p-qhch-qhx6
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-3427
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2021-3427
- PATCHhttps://github.com/deluge-torrent/deluge
- WEBhttps://dev.deluge-torrent.org/ticket/3459
- WEBhttps://github.com/pypa/advisory-database/tree/main/vulns/deluge/PYSEC-2022-256.yaml
- WEBhttps://groups.google.com/g/deluge-dev/c/e5zh7wT0rEg
- WEBhttps://security.gentoo.org/glsa/202210-07