CVE-2025-67288

10.0 CRITICAL

Published: December 22, 2025 Modified: December 23, 2025

Description

An arbitrary file upload vulnerability in Umbraco CMS v16.3.3 allows attackers to execute arbitrary code via uploading a crafted PDF file.

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

0.0 Low Medium High Critical 10.0

Vector String

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

Patch Vendor Advisory Exploit Third Party Advisory

http://umbraco.com

Source: cve@mitre.org

Source: cve@mitre.org

2 reference(s) from NVD

CVSS v3 Score

10.0 / 10.0

EPSS (Exploit Probability)

0.1%

26th percentile

Exploitation Status

Not in CISA KEV

CWE-434