CVE-2026-24836 HIGH

CVE-2026-24836: DotNetNuke.Core Vulnerable to Stored XSS in Scheduler LogNotes

Vendor Dnnsoftware
Product Dnn.Platform
Weakness CWE-79 · XSS
Published January 27, 2026
Last update January 28, 2026
View on NVD All CVEs

CVSS base score

7.7/10
Attack vector Network
Attack complexity High
Privileges required High
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 27, 2026 CVE published
January 28, 2026 Record updated