Vulnerability · Published Jan 27, 2026 · Assigned by GitHub_M
CVE-2026-24838DotNetNuke.Core Vulnerable to Stored XSS via Module Title
Critical 9.1
In plain English
A critical-severity cross-site scripting in Dnn.Platform from dnnsoftware. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| NuGet | dotnetnuke.core | 9.13.10 | GHSA-w9pf-h6m6-v89h |
| NuGet | dotnetnuke.core | 10.2.0 | GHSA-w9pf-h6m6-v89h |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| dnnsoftware | Dnn.Platform | < 9.13.10>= 10.0.0, < 10.2.0 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H