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.NET CVE-2026-24833

HIGH
Cross-site Scripting (XSS) (CWE-79)
2026-01-28 security-advisories@github.com
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

2
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. 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 user in the Persona Bar. Versions 9.13.10 and 10.2.0 contain a fix for the issue.

AnalysisAI

DotNetNuke versions prior to 9.13.10 and 10.2.0 allow arbitrary script execution in the Persona Bar administrative interface through unsanitized richtext content in module descriptions. An authenticated attacker with module installation privileges can inject malicious scripts that execute in the context of administrative users, potentially compromising sensitive data or administrative functions. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Craft malicious module with XSS in description
Exploit
Upload module to DNN platform
Execution
Admin views module in Persona Bar
Impact
JavaScript executes in admin context

Vulnerability AssessmentAI

Exploitation DNN versions prior to 9.13.10 or 10.2.0; attacker with module upload privileges; admin user must view the malicious module's description in Persona Bar interface 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.

Recommended ActionAI

Within 24 hours: Audit all installed DNN modules and their descriptions for suspicious content; restrict module installation permissions to trusted administrators only. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-24833 vulnerability details – vuln.today

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