CVE-2025-59546: Dnnsoftware DotNetNuke

Medium severity, CVSS 4.8. 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 10.1.0, administrators and content editors can set html in module titles that could include javascript which could be used for XSS based attacks. This issue has been patched in version 10.1.0.

Affected products

• Dnnsoftware DotNetNuke: before 10.1.0 (fixed in 10.1.0)

Published 2025-09-23. Last modified 2026-06-17.