CVE-2025-52486: Dnnsoftware DotNetNuke

Medium severity, CVSS 6.1. 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. In versions 6.0.0 to before 10.0.1, DNN.PLATFORM allows specially crafted content in URLs to be used with TokenReplace and not be properly sanitized by some SkinObjects. This issue has been patched in version 10.0.1.

Affected products

• Dnnsoftware DotNetNuke: from 6.0.0, before 10.0.1 (fixed in 10.0.1)

Published 2025-06-21. Last modified 2026-06-17.