CVE-2022-39333

EUVD-2022-41810
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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.6 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
GitHub_MCNA
4.6 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 56%
Affected Products (NVD)
VendorProductVersion
nextclouddesktop
𝑥
< 3.6.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
nextcloud-desktop
bookworm
3.7.3-1+deb12u1
fixed
bullseye
no-dsa
bullseye (security)
vulnerable
buster
no-dsa
sid
3.13.2-2
fixed
trixie
3.13.2-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
nextcloud-desktop
bionic
dne
focal
needs-triage
jammy
needs-triage
kinetic
ignored
lunar
ignored
mantic
ignored
noble
needs-triage
trusty
ignored
xenial
ignored
Common Weakness Enumeration
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://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