Dnnsoftware DotNetNuke vulnerabilities (CVE)

CVE records published for Dnnsoftware DotNetNuke, newest first. Follow to get an email when a new one appears.

35 results
6.9Medium
CVE-2026-40306

DNN has same HostGUID for all new installs

dnnsoftware Dnn.Platform

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. All new installations of DNN 10.x.x - 10.2.1 have the same Host GUID. This does not affect upgrades from 9.x.x. Version 10.2.2 patches the issue.

4.3Medium
CVE-2026-40305

DNN has Force Friend Request Acceptance

dnnsoftware Dnn.Platform

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Starting in version 6.0.0 and prior to version 10.2.2, in the friends feature, a user could craft a request that would force the acceptance of a frie…

6.4Medium
CVE-2020-37103

DotNetNuke 9.5 - Persistent Cross-Site Scripting

Dnnsoftware DotNetNuke

DotNetNuke 9.5 contains a persistent cross-site scripting vulnerability that allows normal users to upload malicious XML files with executable scripts through journal tools. Attackers can upload XML files with XHTML namespace scripts to execute arbitrary Java…

9.1Critical
CVE-2026-24838

DotNetNuke.Core Vulnerable to Stored XSS via Module Title

dnnsoftware Dnn.Platform

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…

7.7High
CVE-2026-24836

DotNetNuke.Core Vulnerable to Stored XSS in Scheduler LogNotes

dnnsoftware Dnn.Platform

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…

7.7High
CVE-2026-24833

DotNetNuke.Core Vulnerable to Stored XSS in Module Description

dnnsoftware Dnn.Platform

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, a module could install with richtext in its description field which could contain scripts that will run for use…

2.4Low
CVE-2025-59546

DNN Vulnerable to Stored XSS Using Backend Admin Credentials

dnnsoftware Dnn.Platform

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.1.0, administrators and content editors can set html in module titles that could include javascript which could be used for XSS b…

8.8High
CVE-2025-52487

DNN.PLATFORM possibly allows bypass of IP Filters

dnnsoftware Dnn.Platform

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. In versions 7.0.0 to before 10.0.1, DNN.PLATFORM allows a specially crafted request or proxy to be created that could bypass the design of DNN Login …