CVE-2025-48953
Umbraco Vulnerable to By-Pass of Configured Allowed Extensions for File Uploads
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Umbraco Vulnerable to By-Pass of Configured Allowed Extensions for File Uploads
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.
Reserved 2025-05-28 | Published 2025-06-03 | Updated 2025-06-03 | Assigner GitHub_MCWE-434: Unrestricted Upload of File with Dangerous Type
github.com/...co-CMS/security/advisories/GHSA-fr6r-p8hv-x3c4
github.com/...ommit/d920e93d1ee29dc3301697e444f53e8cd5db3cf9
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