CVE-2026-24838: DotNetNuke.Core Vulnerable to Stored XSS via Module Title

Published Jan 27, 2026
·
Updated

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, module title supports richtext which could include scripts that would execute in certain scenarios. Versions 9.13.10 and 10.2.0 contain a fix for the issue.

Affected Software

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

Event History

Jan 27, 2026
CVE Published
via MITRE·11:58 PM
Data Sourced
via MITRE·11:58 PM
DescriptionSeverityWeakness
Jan 28, 2026
Data Sourced
via NVD·01:16 AM
DescriptionSeverityWeaknessAffected Software
Advisory Published
via GitHub·09:34 PM
Data Sourced
via GitHub·09:34 PM
DescriptionSeverityWeaknessAffected Software
Jul 24, 58068
Event
via FIRST·07:51 PM
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Frequently Asked Questions

1

What is the severity of CVE-2026-24838?

CVE-2026-24838 has been classified as a medium severity vulnerability due to the potential for stored cross-site scripting (XSS) attacks.

2

How do I fix CVE-2026-24838?

To resolve CVE-2026-24838, upgrade to DotNetNuke versions 9.13.10 or 10.2.0 or later.

3

What is the impact of CVE-2026-24838 on my DNN installation?

CVE-2026-24838 allows attackers to execute scripts through manipulated module titles, potentially compromising user data and sessions.

4

Is my DNN version vulnerable to CVE-2026-24838?

DNN versions prior to 9.13.10 and 10.2.0 are affected by CVE-2026-24838 and are vulnerable to this exploit.

5

Who is affected by CVE-2026-24838?

Any user of DotNetNuke versions earlier than 9.13.10 and 10.2.0 is potentially affected by CVE-2026-24838.

Company

Resources

Contact

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