CVE-2025-32371: Dnnsoftware DotNetNuke

Medium severity, CVSS 4.3. 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. A url could be crafted to the DNN ImageHandler to render text from a querystring parameter. This text would display in the resulting image and a user that trusts the domain might think that the information is legitimate. This vulnerability is fixed in 9.13.4.

Affected products

• Dnnsoftware DotNetNuke: before 9.13.4 (fixed in 9.13.4)

Published 2025-04-09. Last modified 2026-06-17.