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.
References (3)
Core 3
Core References
Patch, Third Party Advisory x_refsource_confirm
https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-wx5h-wqfq-v698
Patch x_refsource_misc
https://github.com/umbraco/Umbraco-CMS/commit/5b54bed406682ceff57903bf7d3c57814eef31a7
Scores
CVSS v3
4.9
EPSS
0.0019
EPSS Percentile
41.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-285
CWE-863
Status
published
Products (2)
nuget/Umbraco.Cms.Web.Backoffice
0 - 10.8.9NuGet
umbraco/umbraco_cms
< 10.8.9
Published
Mar 11, 2025
Tracked Since
Feb 18, 2026