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CVE-2025-27602

Umbraco Allows a Restricted Editor User to Delete Media Item or Access Unauthorized Content

Published: Mar 11, 2025Updated: Sep 22, 2025 Sources: CVE List NVD GHSACWE-285
NVD MITRE
4.9CVSSMEDIUM
EPSS Score
0.3%
Top 80.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:NAC:HPR:LUI:NS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-285CWE-863

Affected Products

umbraco cmsumbraco
On-premCMS Plugin
Web & CMS Plugins / cms-core
Umbraco.Cms.Web.BackofficeNuGetOSS Libraries
Umbraco-CMSumbraco
On-premCMS Plugin
Web & CMS Plugins / cms-core
umbracocommercialDKWeb & CMS Pluginsaka umbraco cms, umbraco forms, umbraco-cms
nugetpackage-ecosystemOSS Libraries

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://github.com/umbraco/Umbraco-CMS/commit/5b54bed406682ceff57903bf7d3c57814eef31a7
github.com
https://github.com/umbraco/Umbraco-CMS/commit/7888b9a4ce5ae7f9bda7ff3bb705b8fcd2f1675d
github.com
https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-wx5h-wqfq-v698
github.com
and 2 more references View all →

Timeline

Published
Mar 11, 2025
Last Updated
Sep 22, 2025

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