CVE-2025-52487: Dnnsoftware DotNetNuke

High severity, CVSS 7.5. EPSS: 0.3% 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 7.0.0 to before 10.0.1, DNN.PLATFORM allows a specially crafted request or proxy to be created that could bypass the design of DNN Login IP Filters allowing login attempts from IP Addresses not in the allow list. This issue has been patched in version 10.0.1.

Affected products

• Dnnsoftware DotNetNuke: from 7.0.0, before 10.0.1 (fixed in 10.0.1)

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