CVE-2022-39331

Cross-site Scripting (XSS) in Nexcloud Desktop Client

CVSS 4.6 MEDIUMEPSS 0.9%CWE-79

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.

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

Affected products

nextcloud · security-advisories

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References

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