CVE-2025-59539

Medium

Description

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.1.0, when embedding information in the Biography field, even if that field is not rich-text, users could inject javascript code that would run in the context of the website and to any other user that can view the profile including administrators and/or superusers. This issue has been patched in version 10.1.0.

SeverityMedium
CVSS6.3
Exploit probability—
ProductDnnsoftware Dotnetnuke
PublishedSep 23, 2025
First seenSep 23, 2025

How to fix

Update
  • dnnsoftware dotnetnuke10.1.0 or later
  • DotNetNuke.Core10.1.0 or later

Affected products

ProductAffected versionsFixed in
dnnsoftware dotnetnukev < 10.1.0, 10.1.010.1.0
DotNetNuke.CoreNuGetv < 10.1.010.1.0

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.