CVE-2026-40321

Published Apr 17, 2026

Last updated 7 days ago

Overview

Description
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.
Source
security-advisories@github.com
NVD status
Analyzed
Products
dotnetnuke

Risk scores

CVSS 3.1

Type
Secondary
Base score
8
Impact score
6
Exploitability score
1.3
Vector string
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Severity
HIGH

Weaknesses

security-advisories@github.com
CWE-87

Social media

Hype score
Not currently trending

Configurations