// For flags

CVE-2022-39333

Cross-site scripting (XSS) in Nextcloud Desktop Client

Severity Score

6.1
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

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.

Nexcloud Desktop es el cliente de sincronización del Escritorio para Nextcloud. Un atacante puede inyectar HTML arbitrario en la aplicación Desktop Client. Se recomienda actualizar el cliente Nextcloud Desktop a 3.6.1. No se conocen workarounds para este problema.

An update that solves 5 vulnerabilities and has one errata is now available. This update for nextcloud-desktop fixes the following issues. Nextcloud-desktop was updated to 3.8.0. On macOS clicked on selectivesync list. Disabled on the server information application on macOS selectivesync list. Clicked on disabled on the server.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
Poc
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2022-09-02 CVE Reserved
  • 2022-11-25 CVE Published
  • 2025-04-22 CVE Updated
  • 2025-04-22 First Exploit
  • 2025-08-04 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Nextcloud
Search vendor "Nextcloud"
 Desktop
Search vendor "Nextcloud" for product "Desktop"
 < 3.6.1
Search vendor "Nextcloud" for product "Desktop" and version " < 3.6.1"
-
Affected