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.NET CVE-2026-24837

HIGH
Cross-site Scripting (XSS) (CWE-79)
2026-01-28 security-advisories@github.com GHSA-vm5q-8qww-h238
.NET Dotnetnuke
7.6
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
7.6 HIGH
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
Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 28, 2026 - 00:15 nvd
HIGH 7.6

DescriptionGitHub 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. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Authenticate as high-privilege user
Delivery
Create module with malicious script in friendly name
Exploit
User interacts with module in Persona Bar
Execution
XSS payload executes in admin context
Impact
Session hijacking or admin account compromise
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Vulnerability AssessmentAI

Exploitation DNN versions 9.0.0 through 9.13.9 or 10.0.0 through 10.1.x. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 7.6 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker could exploit this vulnerability to compromise the affected system.
Remediation Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours: Inventory all DNN installations and identify those running vulnerable versions (9.0.0-9.13.9 or 10.0.0-10.1.x). …

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CVE-2026-24837 vulnerability details – vuln.today
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