CVE-2025-48953

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, its possible to upload a file that doesnt 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.

Risk Information

Base Score

6.5

MODERATE

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

EPSS Score

Exploitation Probability

0.19

Associated Vulnerability

Vulnerability	OS Platform
Vulnerabilities CVE-2025-48953 are fixed in Nuget - Umbraco.CMS 15.4.2	Windows
Vulnerabilities CVE-2025-48953 are fixed in Nuget - Umbraco.CMS for Linux 15.4.2	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234