CVE-2026-24838
Critical
Description
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to versions 9.13.10 and 10.2.0, module title supports richtext which could include scripts that would execute in certain scenarios. Versions 9.13.10 and 10.2.0 contain a fix for the issue.
SeverityCritical
CVSS9.1
Exploit probability—
ProductDnnsoftware Dotnetnuke
PublishedJan 28, 2026
First seenJan 28, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- dnnsoftware dotnetnuke9.13.10, 10.2.0 or later
- DotNetNuke.Core9.13.10, 10.2.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| dnnsoftware dotnetnuke | v < 9.13.10, 10.0.0 ≤ v < 10.2.0 | 9.13.10, 10.2.0 |
| DotNetNuke.CoreNuGet | v < 9.13.10, 10.0.0 ≤ v < 10.2.0 | 9.13.10, 10.2.0 |
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