Medium

Deluge Web-UI vulnerable to XSS through a crafted torrent file

Disclosed: 26.08.2022
Updated: 11.10.2026 11:20

The Deluge Web-UI is vulnerable to cross-site scripting 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 software

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Platform	Package	Vulnerable versions	Fixed in
Python (PyPI)	deluge	< 2.1.0	2.1.0

References

CVSS score 6.1/10

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE): CWE-79
Platform: Python (PyPI)
Package: deluge
Disclosed: 26.08.2022
Updated: 11.10.2026 11:20

Sources and licenses

OSV / GitHub Advisory Database - PYSEC-2022-256 - PyPA Advisory Database; CC BY 4.0

OSV / GitHub Advisory Database - GHSA-5c8p-qhch-qhx6 - CC BY 4.0

Vulnerability history: deluge

All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries: 3
First → latest: 08.2022 03.2026
Without a fix: 2
Exploited in attacks: 0

Severity breakdown

Medium 3

Disclosures per year

2022: 1
2023: 0
2024: 0
2025: 0
2026: 2

22.03.2026

Deluge 1.3.15 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Webseeds field. Attackers can paste a buffe

Medium · 5.5 CVE-2019-25585 <= 1.3.15 no fix
22.03.2026

Deluge 1.3.15 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the URL field. Attackers can paste a buffer of

Medium · 5.5 CVE-2019-25586 <= 1.3.15 no fix
26.08.2022

Deluge Web-UI vulnerable to XSS through a crafted torrent file this entry

Medium · 6.1 CVE-2021-3427 < 2.1.0 2.1.0

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