🛡️ CVE-2026-24838 — dotnetnuke

🔴 CVSS 9.5 — Critical ✅ No Known Exploit CWE-79 NVD
9.5
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs administrative privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2026-24838 is classified as CWE-79: Cross-site Scripting (XSS). User-supplied data is written into a page without escaping, so attacker script runs in the browser of anyone who views it.

Affected software

CVE-2026-24838 is recorded against 2 packages.

  • dotnetnuke (from 10.0.0 up to 10.2.0)
  • dotnetnuke.core (from 10.0.0 up to 10.2.0)

Timeline and source

Published on 28 January 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com

Details

Severity CRITICAL
CVSS Score 9.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CWE CWE-79
Public Exploit ✅ No
Source NVD
Published 2026-01-28
Updated 2026-08-12
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
dotnetnuke 10.0.0 10.2.0
dotnetnuke.core 10.0.0 10.2.0

Similar Threats

Exploit Protection

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