Medium severity · published Jan 27, 2026
CVE-2026-24836
DotNetNuke.Core Vulnerable to Stored XSS in Scheduler LogNotes
5.4
CVSS
0.3%
EPSS
No
On KEV
Description
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.
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)0.3% · higher than 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DN
Dnn.Platform · dnnsoftware
>= 9.0.0, < 9.13.10; >= 10.0.0, < 10.2.0 · source: vendor
DO
Dotnetnuke · Dnnsoftware
9.0.0 before 9.13.10; 10.0.0 before 10.2.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-24836
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-24836
Vendor Advisory
https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-2g5g-hcgh-q3rp
More from Dnn.Platform
9.8
CVE-2025-64095
DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite
9.0
CVE-2025-59545
DNN Vulnerable to Stored Cross-Site Scripting (XSS) in the Prompt module
8.6
CVE-2025-52488
DNN.PLATFORM leaks NTLM hash via SMB Share Interaction with malicious user input
8.0
CVE-2026-40321
DotNetNuke.Core has stored cross-site-scripting (XSS) via SVG upload
7.5
CVE-2025-52487
DNN.PLATFORM possibly allows bypass of IP Filters