CVE-2026-24838
Dnnsoftware Dotnetnuke cross-site scripting (XSS)
- Published28 Jan 2026
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.
CVSS 3.1 breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:HAffected products
Remediation
Related CVEs
Recent high-severity vulnerabilities sharing a weakness type.
Frequently asked
Is CVE-2026-24838 being actively exploited?
CVE-2026-24838 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.22%.
How severe is CVE-2026-24838?
CVE-2026-24838 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.22% probability of exploitation.
Which products are affected by CVE-2026-24838?
Affected products include Dnnsoftware Dotnetnuke.
How do I fix CVE-2026-24838?
Upgrade affected software to a fixed version, for example Dnnsoftware Dotnetnuke 10.2.0 or later, then confirm no affected versions remain in your inventory.
How Secuno handles this
Secuno correlates vulnerabilities like CVE-2026-24838 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.
Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.