Cross-site Scripting (XSS) in Nexcloud Desktop Client
Published Nov 25, 2022
5.4
MEDIUMCVSS 3.1
EPSS 0.96%
Description
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.
Affected products
-
- Version < 3.6.1StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Nextcloud | Security-Advisories | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
1 other source (GitHub) ▾
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Apr 22, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.96% (0.00958) | 60.06th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.86% (0.00864) | 53.71th | v5 (v2026.06.15) |
| Jun 13, 2026 | 1.21% (0.01211) | 79.47th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.09% (0.00092) | 24.02th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00062) | 28.27th | v3 (v2023.03.01) |
| May 11, 2024 | 0.06% (0.00060) | 25.02th | v3 (v2023.03.01) |
| Oct 26, 2023 | 0.06% (0.00058) | 23.00th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00051) | 17.77th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00890) | 30.33th | v2 (v2022.01.01) |
| Nov 26, 2022 | 0.89% (0.00890) | 29.34th | v2 (v2022.01.01) |
References (4)
- https://github.com/nextcloud/desktop/pull/4944 PatchThird Party Advisory
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3xh-q694-6rc5 Third Party Advisory
- https://hackerone.com/reports/1668028 ExploitThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/09/msg00018.html
| Link | Providers | Tags |
|---|---|---|
| https://github.com/nextcloud/desktop/pull/4944 | PatchThird Party Advisory | |
| https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3xh-q694-6rc5 | Third Party Advisory | |
| https://hackerone.com/reports/1668028 | ExploitThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2025/09/msg00018.html |
Change history (0)
No recorded changes yet.