What is CVE-2026-24833?

CVE-2026-24833 is a high-severity vulnerability in Dnnsoftware Dnn.platform, classified under Cross-site Scripting. CVSS score: 7.7/10. Published 2026-01-27.

How severe is CVE-2026-24833?

High severity. CVSS v3 base score is 7.7 out of 10.

XSS in Dnnsoftware Dnn.platform

CVE-2026-24833

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, a module could install with richtext in its description field which could contain scripts t…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.001 (17.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H.

Affected products

Dnnsoftware Dnn.platform — versions < 9.13.10, >= 10.0.0, < 10.2.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-9r3h-mpf8-25gj (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-24833?: CVE-2026-24833 is a high-severity vulnerability in Dnnsoftware Dnn.platform, classified under Cross-site Scripting. CVSS score: 7.7/10. Published 2026-01-27.
How severe is CVE-2026-24833?: High severity. CVSS v3 base score is 7.7 out of 10.