Nextcloud Server before 9.0.58 and 10.0.5 and 11.0.3 are shipping a vulnerable JavaScript library for sanitizing untrusted user-input which suffered from a XSS vulnerability caused by a behaviour change in Safari 10.1 and 10.2
Published May 8, 2017
5.4
MEDIUMCVSS 3.0
EPSS 0.64%
Description
Nextcloud Server before 9.0.58 and 10.0.5 and 11.0.3 are shipping a vulnerable JavaScript library for sanitizing untrusted user-input which suffered from a XSS vulnerability caused by a behaviour change in Safari 10.1 and 10.2. Note that Nextcloud employs a strict Content-Security-Policy preventing exploitation of this XSS issue on modern web browsers.
Affected products
-
- Version before 9.0.58 and 10.0.5 and 11.0.3StatusaffectedConstraints-
- 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 | Nextcloud Server | n/a |
|
- < 9.0.58
- ≥ 10.0.0 · < 10.0.5
- ≥ 11.0.0 · < 11.0.3
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.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
AV:N/AC:M/Au:S/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.64% (0.00643) | 48.91th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.64% (0.00643) | 49.36th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.05% (0.00053) | 22.09th | v3 (v2023.03.01) |
| Jul 10, 2024 | 0.05% (0.00053) | 21.94th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00054) | 19.90th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.66% (0.00663) | 18.75th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.66% (0.00663) | 0.00th | v1 |
References (2)
- https://hackerone.com/reports/222838 x_refsource_MISCThird Party AdvisoryVDB Entry
- https://nextcloud.com/security/advisory/?id=nc-sa-2017-010 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://hackerone.com/reports/222838 | x_refsource_MISCThird Party AdvisoryVDB Entry | |
| https://nextcloud.com/security/advisory/?id=nc-sa-2017-010 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.