CVE-2026-24836
January 27, 2026
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.
Affected Packages
DotNetNuke.Core (DOT_NET):
Affected version(s) >=10.0.0.0 <10.2.1Fix Suggestion:
Update to version 10.2.1DotNetNuke.Core (DOT_NET):
Affected version(s) >=9.0.0.1002 <9.13.10Fix Suggestion:
Update to version 9.13.10DotNetNuke.Core (NUGET):
Affected version(s) >=9.0.0.1002 <9.13.10Fix Suggestion:
Update to version 9.13.10DotNetNuke.Core (NUGET):
Affected version(s) >=10.0.0 <10.2.1Fix Suggestion:
Update to version 10.2.1Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
7.6
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
EPSS
Base Score:
0.04
