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Medium severity · published Nov 25, 2022
CVE-2022-39333
Nexcloud desktop is the Desktop sync client for Nextcloud
6.1
CVSS
0.9%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DE
Desktop · Nextcloud
before 3.6.1 · source: NVD
Affected product
DE
Desktop
Nextcloud
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-39333
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-39333
Patch
https://github.com/nextcloud/desktop/pull/4972
Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-92p9-x79h-2mj8
Exploit
https://hackerone.com/reports/1711847
lists.debian.org
https://lists.debian.org/debian-lts-announce/2025/09/msg00018.html
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