.NET CVE-2026-24838
CRITICAL
GHSA-w9pf-h6m6-v89h
Severity by source
AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Lifecycle Timeline
3DescriptionGitHub Advisory
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.
AnalysisAI
DNN (DotNetNuke) CMS has a stored XSS vulnerability (CVSS 9.1) allowing persistent script injection that executes for all users viewing the affected content.
Technical ContextAI
DNN (formerly DotNetNuke) has a CWE-79 stored cross-site scripting vulnerability that allows attackers to inject persistent JavaScript into CMS content that executes for every user who views the page.
RemediationAI
Update DNN. Implement Content Security Policy headers. Audit existing content for injected scripts.
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Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
Leaving vuln.today