CVE-2023-48227
Umbraco CMS Backoffice User can bypass "Publish" restriction
Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.7.0, and 12.3.0, Backoffice users with send for approval permission but not publish permission are able to publish in some scenarios. Versions 8.18.10, 10.7.0, and 12.3.0 contains a patch for this issue. No known workarounds are available.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Umbraco CMS Backoffice User can bypass "Publish" restriction
Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.7.0, and 12.3.0, Backoffice users with send for approval permission but not publish permission are able to publish in some scenarios. Versions 8.18.10, 10.7.0, and 12.3.0 contains a patch for this issue. No known workarounds are available.
- Record
CVE-2023-48227- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
EUVDEUVD-2023-3077
Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.7.0, and 12.3.0, Backoffice users with send for approval permission but not publish permission are able to publish in some scenarios. Versions 8.18.10, 10.7.0, and 12.3.0 contains a patch for this issue. No known workarounds are available.
- Record
EUVD-2023-3077- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-335x-5wcm-8jv2
Backoffice User can bypass "Publish" restriction
Impact
Backoffice users with send for approval permission but not publish permission are able to publish in some scenarios.
Explanation of the vulnerability
Backoffice users without permission to publish content, but only to send for approval, can bypass the restriction by modifying the request body of the "Send for Approval" request.
- Record
GHSA-335x-5wcm-8jv2- CVSS 3.1
- 0.0 None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
NVD
Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.7.0, and 12.3.0, Backoffice users with send for approval permission but not publish permission are able to publish in some scenarios. Versions 8.18.10, 10.7.0, and 12.3.0 contains a patch for this issue. No known workarounds are available.
- Record
CVE-2023-48227- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
OSV
Umbraco CMS Backoffice User can bypass "Publish" restriction
Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.7.0, and 12.3.0, Backoffice users with send for approval permission but not publish permission are able to publish in some scenarios. Versions 8.18.10, 10.7.0, and 12.3.0 contains a patch for this issue. No known workarounds are available.
- Record
CVE-2023-48227- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
OSVGHSA-335x-5wcm-8jv2
Backoffice User can bypass "Publish" restriction
Impact
Backoffice users with send for approval permission but not publish permission are able to publish in some scenarios.
Explanation of the vulnerability
Backoffice users without permission to publish content, but only to send for approval, can bypass the restriction by modifying the request body of the "Send for Approval" request.
- Record
GHSA-335x-5wcm-8jv2- CVSS 3.1
- 0.0 None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
Umbraco.CMSNuGet |
8.0.0 up to 8.18.10 | 8.18.10 |
Umbraco.CMSNuGet |
9.0.0 up to 10.8.0 | 10.8.0 |
Umbraco.CMSNuGet |
11.0.0 up to 12.3.0 | 12.3.0 |
Umbraco.CMSNuGet |
9.0.0 up to 10.8.0, plus listed versions 10.0.010.0.0-rc110.0.0-rc210.0.0-rc310.0.0-rc4 Show 45 moreShow less10.0.0-rc510.0.110.1.010.1.0-rc10.1.0-rc210.1.110.2.010.2.0-rc10.2.110.3.010.3.0-rc10.3.110.3.210.4.010.4.0-rc10.4.110.4.210.5.010.5.0-rc10.5.110.6.010.6.0-rc10.6.110.7.010.7.0-rc10.8.0-rc9.0.19.1.09.1.0-rc9.1.19.1.29.2.09.2.0-rc9.3.09.3.0-rc9.3.19.4.09.4.0-rc9.4.19.4.29.4.39.5.09.5.0-rc9.5.0-rc29.5.0-rc3 |
10.8.0 |
Umbraco.CMSNuGet |
11.0.0 up to 12.3.0, plus listed versions 11.1.011.1.0-rc11.2.011.2.0-rc11.2.1 Show 24 moreShow less11.2.211.3.011.3.0-rc11.3.111.4.011.4.0-rc11.4.111.4.211.5.011.5.0-rc12.0.012.0.0-rc112.0.0-rc212.0.0-rc312.0.0-rc412.0.0-rc512.0.112.1.012.1.0-rc12.1.112.1.212.2.012.2.0-rc12.3.0-rc |
12.3.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-48227 is a medium vulnerability (CVSS 4.3) in Umbraco Cms, published December 12, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. Fixed in Umbraco.CMS 8.18.10.
References
Left out here: 4 versions. The JSON record has them.