Home/CVE/DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Starting i
CVE

CVE-2026-24836

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Starting i

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 run in the PersonaBar when displayed. Versions 9.13.10 and 10.2.0 contain a fix for the issue.

HIGH · CVSS 7.6 EPSS 0.00017
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

2
dnnsoftware dotnetnuke>= 9.0.0 and < 9.13.10
dnnsoftware dotnetnuke>= 10.0.0 and < 10.2.0
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
NuGet DotNetNuke.Core HIGH
▣

Scoring & Timeline

7.6
HIGH · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD28 Jan 2026 · 12:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-2g5g-hcgh-q3rpVendor Advisory
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