Vulnerability Report

CVE-2022-39331

Title: Nextcloud Desktop Cross-Site Scripting (XSS)

Cross-Site Scripting (XSS)

Proof Of Concept

No public PoC currently indexed for CVE-2022-39331.

CWE Category CWE-79
Published Date Nov 25, 2022
Modified Date Nov 03, 2025
Exploit Status Not Found
Score 4.6 CVSS v3.1
Exploit Probability (EPSS)
0.96%

Vulnerability Summary

CVE-2022-39331: 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.

Impacted Vendors

A
avira 1
G
google 1
N
nextcloud 1

Reference Links

https://github.com/nextcloud/desktop/pull/4944 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3xh-q694-6rc5 https://hackerone.com/reports/1668028 https://github.com/nextcloud/desktop/pull/4944 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3xh-q694-6rc5 https://hackerone.com/reports/1668028 https://lists.debian.org/debian-lts-announce/2025/09/msg00018.html
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
4.6
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.4
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2022-39331 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Affected Stack

No specific products linked.