CVE-2022-39331

Name: CVE-2022-39331
Creator: NVD / NIST
Published: 2022-11-25T19:15:11.25+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.86%

Last modified Jun 17, 2026

CVE-2022-39331 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Nexcloud desktop is the Desktop sync client for Nextcloud. An attacker can inject arbitrary HyperText Markup Language into the Desktop Client application in the notifications. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.86%

54.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Nextcloud	Desktop	< 3.6.1

References

https://github.com/nextcloud/desktop/pull/4944Patch, Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3xh-q694-6rc5Third Party Advisory
https://hackerone.com/reports/1668028Exploit, Third Party Advisory
https://github.com/nextcloud/desktop/pull/4944Patch, Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3xh-q694-6rc5Third Party Advisory
https://hackerone.com/reports/1668028Exploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2025/09/msg00018.html

Timeline

Published: Nov 25, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-39331?

How severe is CVE-2022-39331?

CVE-2022-39331 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.

How do I fix CVE-2022-39331?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-39331?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST