Vulnerability · Published Jan 27, 2026 · Assigned by GitHub_M

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

High 7.7

In plain English

A high-severity cross-site scripting in Dnn.Platform from dnnsoftware. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.7High
Exploit odds (30 days)0.3%top 82.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

EcosystemPackageFixed inAdvisory
NuGetdotnetnuke.coreno fix listedGHSA-2g5g-hcgh-q3rp
NuGetdotnetnuke.core10.02.0GHSA-2g5g-hcgh-q3rp

Affected products (as reported)

VendorProductVersions
dnnsoftware Dnn.Platform >= 9.0.0, < 9.13.10>= 10.0.0, < 10.2.0

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

References