PT-2022-24906 · Nextcloud+2 · Nextcloud Desktop Client+2

B911Bade858Ce8E6A0F50F8 · Published 2022-11-25 · Updated 2025-09-18 · CVE-2022-39333

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Nextcloud Desktop client versions prior to 3.6.1

Description An attacker can inject arbitrary HyperText Markup Language into the Desktop Client application. There are no known workarounds for this issue.

Recommendations For versions prior to 3.6.1, upgrade the Nextcloud Desktop client to 3.6.1 to resolve the issue.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

ALT-PU-2023-2019

ALT-PU-2023-4584

ALT-PU-2023-5197

CVE-2022-39333

DLA-4303-1

GHSA-92P9-X79H-2MJ8

OPENSUSE-SU-2023:0090-1

OPENSUSE-SU-2023:0171-1

Affected Products

Alt Linux

Debian

Nextcloud Desktop Client

References · 30

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/39xxx/CVE-2022-39333.json · Exploit
• 🔥 https://hackerone.com/reports/1711847 · Exploit
• https://github.com/nextcloud/desktop/pull/4972 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-39333 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-39333 · Security Note
• https://cve.org/CVERecord?id=CVE-2022-39333 · Security Note
• https://osv.dev/vulnerability/DLA-4303-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-39333 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2023:0090-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2023:0171-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-39333 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-39333 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-39333 · Vendor Advisory
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-92p9-x79h-2mj8 · Note
• https://bugzilla.suse.com/1205799 · Note