CVE-2025-48376: Dnnsoftware DotNetNuke

Low severity, CVSS 2.4. 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 version 9.13.9, a malicious SuperUser (Host) could craft a request to use an external url for a site export to then be imported. Version 9.13.9 fixes the issue.

Affected products

• Dnnsoftware DotNetNuke: before 9.13.9 (fixed in 9.13.9)

Published 2025-05-23. Last modified 2026-06-17.