CVE-2025-27602
Umbraco Allows a Restricted Editor User to Delete Media Item or Access Unauthorized Content
Umbraco is a free and open source .NET content management system. In versions of Umbraco's web backoffice program prior to versions 10.8.9 and 13.7.1, via manipulation of backoffice API URLs, it's possible for authenticated backoffice users to retrieve or delete content or media held within folders the editor does not have access to. The issue is patched in versions 10.8.9 and 13.7.1. No known workarounds are available.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
4.9
Umbraco Allows a Restricted Editor User to Delete Media Item or Access Unauthorized Content
Umbraco is a free and open source .NET content management system. In versions of Umbraco's web backoffice program prior to versions 10.8.9 and 13.7.1, via manipulation of backoffice API URLs, it's possible for authenticated backoffice users to retrieve or delete content or media held within folders the editor does not have access to. The issue is patched in versions 10.8.9 and 13.7.1. No known workarounds are available.
- Record
CVE-2025-27602- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-285, CWE-863
- Updated
- 2026-11-02
EUVDEUVD-2025-7795
4.9
Umbraco is a free and open source .NET content management system. In versions of Umbraco's web backoffice program prior to versions 10.8.9 and 13.7.1, via manipulation of backoffice API URLs, it's possible for authenticated backoffice users to retrieve or delete content or media held within folders the editor does not have access to. The issue is patched in versions 10.8.9 and 13.7.1. No known workarounds are available.
- Record
EUVD-2025-7795- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-wx5h-wqfq-v698
4.9
Umbraco Allows a Restricted Editor User to Delete Media Item or Access Unauthorized Content
Impact
Via manipulation of backoffice API URLs it's possible for authenticated backoffice users to retrieve or delete content or media held within folders the editor does not have access to.
Patches
Will be patched in 10.8.9 and 13.7.1
Workarounds
None available.
- Record
GHSA-wx5h-wqfq-v698- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-285, CWE-863
- Updated
- 2026-11-02
NVD
4.9
Umbraco is a free and open source .NET content management system. In versions of Umbraco's web backoffice program prior to versions 10.8.9 and 13.7.1, via manipulation of backoffice API URLs, it's possible for authenticated backoffice users to retrieve or delete content or media held within folders the editor does not have access to. The issue is patched in versions 10.8.9 and 13.7.1. No known workarounds are available.
- Record
CVE-2025-27602- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N - CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-285, CWE-863
- Updated
- 2026-11-02
OSV
4.9
Umbraco Allows a Restricted Editor User to Delete Media Item or Access Unauthorized Content
Umbraco is a free and open source .NET content management system. In versions of Umbraco's web backoffice program prior to versions 10.8.9 and 13.7.1, via manipulation of backoffice API URLs, it's possible for authenticated backoffice users to retrieve or delete content or media held within folders the editor does not have access to. The issue is patched in versions 10.8.9 and 13.7.1. No known workarounds are available.
- Record
CVE-2025-27602- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-285, CWE-863
- Updated
- 2026-11-02
OSVGHSA-wx5h-wqfq-v698
4.9
Umbraco Allows a Restricted Editor User to Delete Media Item or Access Unauthorized Content
Impact
Via manipulation of backoffice API URLs it's possible for authenticated backoffice users to retrieve or delete content or media held within folders the editor does not have access to.
Patches
Will be patched in 10.8.9 and 13.7.1
Workarounds
None available.
- Record
GHSA-wx5h-wqfq-v698- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-285, CWE-863
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
Umbraco.Cms.Web.BackofficeNuGet |
through 10.8.8 | 10.8.9 |
Umbraco.Cms.Web.BackofficeNuGet |
11.0.0-rc1 to 13.7.0 | 13.7.1 |
Umbraco.Cms.Web.BackofficeNuGet |
before 10.8.9, 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-rc10.8.010.8.0-rc10.8.110.8.210.8.310.8.410.8.510.8.610.8.710.8.89.0.09.0.0-rc0019.0.0-rc0029.0.0-rc0039.0.0-rc0049.0.19.1.09.1.0-rc9.1.19.1.2 |
10.8.9 |
Umbraco.Cms.Web.BackofficeNuGet |
11.0.0-rc1 up to 13.7.1, plus listed versions 11.0.011.0.0-rc211.0.0-rc311.0.0-rc411.0.0-rc5 Show 45 moreShow less11.0.0-rc611.1.011.1.0-rc11.2.011.2.0-rc11.2.111.2.211.3.011.3.0-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-rc12.3.012.3.0-rc12.3.112.3.1012.3.212.3.312.3.412.3.512.3.612.3.712.3.812.3.913.0.013.0.0-rc113.0.0-rc213.0.0-rc3 |
13.7.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-27602 is a medium vulnerability (CVSS 4.9) in Umbraco Umbraco-cms, published March 11, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 23rd percentile. Fixed in Umbraco.Cms.Web.Backoffice 10.8.9.
References
github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-wx5h-wqfq-v698
github.com/umbraco/Umbraco-CMS/commit/5b54bed406682ceff57903bf7d3c57814eef31a7
github.com/umbraco/Umbraco-CMS/commit/7888b9a4ce5ae7f9bda7ff3bb705b8fcd2f1675d
nvd.nist.gov/vuln/detail/CVE-2025-27602
github.com/advisories/GHSA-wx5h-wqfq-v698
github.com/CVEProject/cvelistV5/tree/main/cves/2025/27xxx/CVE-2025-27602.json
github.com/umbraco/Umbraco-CMS
Left out here: 48 versions. The JSON record has them.