Description

Umbraco is an ASP.NET content management system (CMS). Starting in version 14.0.0 and prior to versions 15.4.2 and 16.0.0, it's possible to upload a file that doesn't adhere with the configured allowable file extensions via a manipulated API request. The issue is patched in versions 15.4.2 and 16.0.0. No known workarounds are available.

INFO

Published Date :

2025-06-03T18:19:28.771Z

Last Modified :

2025-06-03T18:31:44.345Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2025-48953 vulnerability.

Vendors Products
Umbraco
  • Umbraco Cms
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-48953.

URL Resource
https://github.com/umbraco/Umbraco-CMS/commit/d920e93d1ee29dc3301697e444f53e8cd5db3cf9 cve-icon cve-icon
https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-fr6r-p8hv-x3c4 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact