high8.0
CVE-2026-40321
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem.
Impact
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.2.2, a user could upload a specially crafted SVG file that could include scripts that can target both authenticated and unauthenticated DNN users. The impact is increased if the scripts are run by a power user. Version 10.2.2 patches the issue.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| nuget | DotNetNuke.Core | < 10.2.2 | 10.2.2 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Dnnsoftware | Dotnetnuke | before 10.2.2 |