CVE-2025-64094: Dnnsoftware DotNetNuke

Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days.

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to 10.1.1, sanitization of the content of uploaded SVG files was not covering all possible XSS scenarios. This vulnerability exists because of an incomplete fix for CVE-2025-48378. This vulnerability is fixed in 10.1.1.

Affected products

• Dnnsoftware DotNetNuke: before 10.1.1 (fixed in 10.1.1)

Published 2025-10-28. Last modified 2026-10-08.