CVE-2026-24836
High
Description
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Starting in version 9.0.0 and prior to versions 9.13.10 and 10.2.0, extensions could write richtext in log notes which can include scripts that would run in the PersonaBar when displayed. Versions 9.13.10 and 10.2.0 contain a fix for the issue.
SeverityHigh
CVSS7.6
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.Core10.02.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| dnnsoftware dotnetnuke | 9.0.0 ≤ v < 9.13.10, 10.0.0 ≤ v < 10.2.0 | 9.13.10, 10.2.0 |
| DotNetNuke.CoreNuGet | 9.0.0 ≤ v ≤ 9.13.9, 10.0.0 ≤ v < 10.02.0 | 10.02.0 |
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.