CVE-2025-27602 json
Umbraco Allows a Restricted Editor User to Delete Media Item or Access Unauthorized Content
published last yr. modified 4mo ago also EUVD-2025-7795 , GHSA-wx5h-wqfq-v698
- cvss
- 4.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 23%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- nuget Umbraco.Cms.Web.Backoffice 10.8.9, 13.7.1
- umbraco umbraco_cms 10.8.9, 13.7.1
Is CVE-2025-27602 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
0.30% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N |
| GitHub | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N |
| NVD | 3.1 | 6.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| nuget | Umbraco.Cms.Web.Backoffice | <10.8.9 >=11.0.0-rc1, <13.7.1 |
10.8.9 13.7.1 |
Affected products
- umbraco Umbraco-CMS
Classification
References
-
github.com
/umbraco/Umbraco-CMS/commit/5b54bed406682ceff57903bf7d3c57814eef31a7
web, patch
-
github.com
/umbraco/Umbraco-CMS/commit/7888b9a4ce5ae7f9bda7ff3bb705b8fcd2f1675d
web, patch
-
github.com
/umbraco/Umbraco-CMS/security/advisories/GHSA-wx5h-wqfq-v698
web, patch, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2025-27602
advisory
-
github.com
/umbraco/Umbraco-CMS
package
Sources
- CVE List CVE-2025-27602
- GitHub Advisory GHSA-wx5h-wqfq-v698
- NVD CVE-2025-27602
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.