CVE-2026-24836: DotNetNuke.Core Vulnerable to Stored XSS in Scheduler LogNotes

Published Jan 27, 2026
·
Updated

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 Software

5 affected componentsFixes available
Microsoft DNN>9.0.0<=9.13.10, >9.0.0<=10.2.0
nuget/DotNetNuke.Core>=10.0.0<10.2.0
10.02.0
nuget/DotNetNuke.Core>=9.0.0<=9.13.9
dnnsoftware Dotnetnuke>=9.0.0<9.13.10
dnnsoftware Dotnetnuke>=10.0.0<10.2.0

Event History

Jan 27, 2026
CVE Published
via MITRE·11:51 PM
Data Sourced
via MITRE·11:51 PM
DescriptionSeverityWeakness
Jan 28, 2026
Data Sourced
via NVD·12:15 AM
DescriptionSeverityWeaknessAffected Software
Advisory Published
via GitHub·04:33 PM
Data Sourced
via GitHub·04:33 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-24836?

CVE-2026-24836 is classified as a critical severity vulnerability due to its ability to allow stored cross-site scripting (XSS).

2

How do I fix CVE-2026-24836?

To fix CVE-2026-24836, upgrade your DotNetNuke installation to version 10.2.0 or later, or to version 9.13.10 or later.

3

What versions are affected by CVE-2026-24836?

CVE-2026-24836 affects DotNetNuke versions from 9.0.0 to 9.13.9 and from 10.0.0 to 10.2.0 before 10.2.0.

4

What type of vulnerability is CVE-2026-24836?

CVE-2026-24836 is a stored cross-site scripting (XSS) vulnerability that impacts the Scheduler LogNotes in DotNetNuke.

5

Who is affected by CVE-2026-24836?

Users and administrators of DotNetNuke versions between 9.0.0 and 9.13.9 and between 10.0.0 and 10.2.0 are affected by CVE-2026-24836.

Company

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