CVE-2026-24838
DotNetNuke.Core Vulnerable to Stored XSS via Module Title
CVE-2026-24838 is a critical vulnerability (CVSS 9.1) in Dnnsoftware Dotnetnuke, published January 27, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 13th percentile. Fixed in DotNetNuke.Core 9.13.10.
- Severity
- 9.1 CriticalCVSS 3.1, CVE List
- Exploit chance
- 0.22%EPSS, 13th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
9.13.10DotNetNuke.Core +3 more
Description
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
DotNetNuke.CoreNuGet | before 9.13.10 | 9.13.10 |
DotNetNuke.CoreNuGet | 10.0.0 up to 10.2.0 | 10.2.0 |
DotNetNuke.CoreNuGet | before 9.13.10, plus listed versions 6.0.07.0.07.0.6.1217.1.07.1.2 Show 45 moreShow less7.2.0.6137.3.0.4997.3.1.207.4.0.3537.4.1.2807.4.2.2168.0.0.8098.0.1.2398.0.2.48.0.3.58.0.4.2269.0.0.10029.0.1.1429.1.0.3679.1.1.1299.10.09.10.19.10.29.11.09.11.19.11.29.12.09.13.09.13.0-ci00009.13.19.13.29.13.39.13.49.13.59.13.5-ci00629.13.69.13.79.13.7-ci00649.13.89.13.99.2.0.3669.2.1.5339.3.09.3.19.3.29.4.09.4.19.4.29.4.39.4.4 | 9.13.10 |
DotNetNuke.CoreNuGet | 10.0.0 up to 10.2.0, plus listed versions 10.0.110.1.010.1.110.1.2 | 10.2.0 |
What each source reports
CVE List Score used 9.1
DotNetNuke.Core Vulnerable to Stored XSS via Module Title
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.
- Record
CVE-2026-24838- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2026-4902 9.1
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.
- Record
EUVD-2026-4902- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-w9pf-h6m6-v89h 9.1
DotNetNuke.Core Vulnerable to Stored XSS via Module Title
Module title supports richtext which could include scripts that would execute in certain scenarios.
- Record
GHSA-w9pf-h6m6-v89h- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD 9.1
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.
- Record
CVE-2026-24838- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV 9.1
DotNetNuke.Core Vulnerable to Stored XSS via Module Title
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.
- Record
CVE-2026-24838- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVGHSA-w9pf-h6m6-v89h 9.1
DotNetNuke.Core Vulnerable to Stored XSS via Module Title
Module title supports richtext which could include scripts that would execute in certain scenarios.
- Record
GHSA-w9pf-h6m6-v89h- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-w9pf-h6m6-v89h
nvd.nist.gov/vuln/detail/CVE-2026-24838
github.com/dnnsoftware/Dnn.Platform/commit/4a4bcbcdf3cedbf702816f8168c4d51bf688f7f6
github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.0
github.com/advisories/GHSA-w9pf-h6m6-v89h
github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24838.json
github.com/dnnsoftware/Dnn.Platform
Left out here: 9 versions. The JSON record has them.