CVE-2022-39333

Cross-site scripting (XSS) in Nextcloud Desktop Client

State: Published
Severity: 4.6 Medium
Published: Nov 25, 2022
Updated: Nov 3, 2025
Reserved: Sep 2, 2022

Description

Nexcloud desktop is the Desktop sync client for Nextcloud. An attacker can inject arbitrary HyperText Markup Language into the Desktop Client application. It is recommended that the Nextcloud Desktop client is upgraded to 3.6.1. There are no known workarounds for this issue.

Scores

CVSS	Score	Vector	Source
3.1	4.6 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N	GitHub_M

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
security-advisoriesnextcloud	< 3.6.1Affected

References

https://github.com/nextcloud/desktop/pull/4972
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-92p9-x79h-2mj8
https://hackerone.com/reports/1711847
https://lists.debian.org/debian-lts-announce/2025/09/msg00018.html

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