CVE-2020-9472: Umbraco CMS

Medium severity, CVSS 6.5. EPSS: 2.1% chance of exploitation in the next 30 days.

Umbraco CMS 8.5.3 allows an authenticated file upload (and consequently Remote Code Execution) via the Install Package functionality.

Affected products

• Umbraco Umbraco CMS: version 8.5.3 only

Published 2020-03-16. Last modified 2026-06-17.