What’s Vulnerable › Vulnerabilities
CVE-2026-24836: DotNetNuke.Core Vulnerable to Stored XSS in Scheduler LogNotes
- Severity: medium (CVSS 5.4 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-01-28 · updated 2026-06-17
- Weakness: CWE-79
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.
Affected products
- DotNetNuke CMS Fixed in 9.1.1: from 9.0.0 before 9.13.10; from 10.0.0 before 10.2.0 — fixed in 10.2.0, 9.13.10
How to fix
Upgrade to a fixed version: DotNetNuke CMS Fixed in 9.1.1 10.2.0, 9.13.10. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-24836 or the next vulnerability affects your stack