.NET CVE-2026-24837
HIGH
GHSA-vm5q-8qww-h238
Severity by source
AV:N/AC:H/PR:H/UI:R/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:H/PR:H/UI:R/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. Starting in version 9.0.0 and prior to versions 9.13.10 and 10.2.0, a module friendly name could include scripts that will run during some module operations in the Persona Bar. Versions 9.13.10 and 10.2.0 contain a fix for the issue.
AnalysisAI
Stored cross-site scripting in DNN versions 9.0.0 through 9.13.9 and 10.0.0 through 10.1.x allows high-privileged users with UI interaction to inject malicious scripts into module friendly names that execute within the Persona Bar administrative interface. An authenticated attacker with sufficient permissions could exploit this to perform administrative actions or compromise other users' sessions. No patch is currently available for affected versions.
Technical ContextAI
Classified as CWE-79 (Cross-site Scripting (XSS)). Affects Dotnetnuke. 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, a module friendly name could include scripts that will run during some module operations in the Persona Bar. Versions 9.13.10 and 10.2.0 contain a fix for the issue.
RemediationAI
Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.
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Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
Leaving vuln.today