CVE-2025-48377: 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 version 9.13.9, a specially crafted URL may be constructed which can inject an XSS payload that is triggered by using some module actions. 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.