Vulnerability · Published Aug 26, 2022 · Assigned by redhat
CVE-2021-3427
Medium 6.1
In plain English
A medium-severity cross-site scripting in Deluge-web. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.1Medium
Exploit odds (30 days)1.0%top 38.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | deluge | no fix listed | DEBIAN-CVE-2021-3427 |
| Debian:13 | deluge | 2.1.1-4 | DEBIAN-CVE-2021-3427 |
| Debian:14 | deluge | 2.1.1-4 | DEBIAN-CVE-2021-3427 |
| PyPI | deluge | 2.1.0 | PYSEC-2022-256 |
| PyPI | deluge | 2.1.0 | GHSA-5c8p-qhch-qhx6 |
| Ubuntu:22.04:LTS | deluge | no fix listed | UBUNTU-CVE-2021-3427 |
| Ubuntu:24.04:LTS | deluge | no fix listed | UBUNTU-CVE-2021-3427 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Deluge-web | Not-Known |
Weakness: CWE-79