CVE-2023-48227: Umbraco CMS

Medium severity, CVSS 4.3. EPSS: 0.4% chance of exploitation in the next 30 days.

Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.7.0, and 12.3.0, Backoffice users with send for approval permission but not publish permission are able to publish in some scenarios. Versions 8.18.10, 10.7.0, and 12.3.0 contains a patch for this issue. No known workarounds are available.

Affected products

• Umbraco Umbraco CMS: from 8.0.0, before 8.18.10 (fixed in 8.18.10); from 9.0.0, before 10.7.0 (fixed in 10.7.0); from 11.0.0, before 12.3.0 (fixed in 12.3.0)

Published 2023-12-12. Last modified 2026-06-17.