Medium severity · published Jan 27, 2026
CVE-2026-24838
DotNetNuke.Core Vulnerable to Stored XSS via Module Title
5.4
CVSS
0.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 13% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DN
Dnn.Platform · dnnsoftware
< 9.13.10; >= 10.0.0, < 10.2.0 · source: vendor
DO
Dotnetnuke · Dnnsoftware
before 9.13.10; 10.0.0 before 10.2.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-24838
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-24838
Vendor Advisory
https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-w9pf-h6m6-v89h
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