CVE-2025-48953 (GCVE-0-2025-48953)

Vulnerability from cvelistv5 – Published: 2025-06-03 18:19 – Updated: 2025-06-03 18:31
VLAI?
Title
Umbraco Vulnerable to By-Pass of Configured Allowed Extensions for File Uploads
Summary
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 ?
5.5 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version
umbraco Umbraco-CMS Affected: >= 14.0.0, < 15.4.2
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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