Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-40321

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.2.2, a user could upload a specially crafted SVG file that could include scripts that can target both authenticated and unauthenticated DNN users. The impact is increased if the scripts are run by a power user. Version 10.2.2 patches the issue.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 12.7%
CVSS Severity
CVSS v3 Score 8.0
Products affected by CVE-2026-40321


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