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CVE-2026-40321

nvd nist
Published: Apr 17, 2026Modified: Jun 17, 2026

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8.0
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Exploitability: 1.3 / Impact: 6.0
Source: security-advisories@github.com (Secondary)

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.

Affected (1)

Dnnsoftware
1 product
Dotnetnuke
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Dotnetnuke
Before 10.2.2

Related CWEs

CWE-87
Improper Neutralization of Alternate XSS Syntax
The product does not neutralize or incorrectly neutralizes user-controlled input for alternate script syntax.

References (2)

Source: security-advisories@github.com
Release Notes
Source: security-advisories@github.com
Vendor Advisory

Timeline

No history available yet.