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CVE-2021-3427

Published: 26 August 2022

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.

Priority

Medium

Cvss 3 Severity Score

6.1

Score breakdown

Status

Package Release Status
deluge
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

jammy Needs triage

kinetic Ignored
(end of life, was needs-triage)
lunar Ignored
(end of life, was needs-triage)
mantic Needs triage

trusty Ignored
(end of standard support)
upstream
Released (2.1.1)
xenial Needs triage

Patches:
upstream: https://dev.deluge-torrent.org/changeset/8ece03677
upstream: https://dev.deluge-torrent.org/changeset/a5503c0c606

Severity score breakdown

Parameter Value
Base score 6.1
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Changed
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N