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CVE-2025-48953
Good to know:
Date: June 3, 2025
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.
Severity Score
Related Resources (5)
Severity Score
Weakness Type (CWE)
Unrestricted Upload of File with Dangerous Type
CWE-434Top Fix
Upgrade Version
Upgrade to version Umbraco.Cms - 15.4.2;Umbraco.Cms - 15.4.2;https://github.com/umbraco/Umbraco-CMS.git - release-15.4.2
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | HIGH |
| Privileges Required (PR): | LOW |
| User Interaction (UI): | REQUIRED |
| Scope (S): | CHANGED |
| Confidentiality (C): | LOW |
| Integrity (I): | LOW |
| Availability (A): | LOW |