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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Mixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2.1.1-4 |
| sid | Fixed | 2.1.1-4 |
| forky | Fixed | 2.1.1-4 |
| bullseye | Affected | — |
| bookworm | Affected | — |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | deluge | <2.1.0 | 2.1.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-3427
- https://dev.deluge-torrent.org/ticket/3459
- https://github.com/advisories/GHSA-5c8p-qhch-qhx6
- https://github.com/deluge-torrent/deluge
- https://github.com/pypa/advisory-database/tree/main/vulns/deluge/PYSEC-2022-256.yaml
- https://groups.google.com/g/deluge-dev/c/e5zh7wT0rEg
- https://security.gentoo.org/glsa/202210-07
- https://security-tracker.debian.org/tracker/CVE-2021-3427
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.