CVE-2025-64094

DNN vulnerable to stored cross-site-scripting (XSS) via SVG upload

State: Published
Severity: 6.4 Medium
Published: Oct 28, 2025
Updated: Oct 29, 2025
Reserved: Oct 27, 2025

Description

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to 10.1.1, sanitization of the content of uploaded SVG files was not covering all possible XSS scenarios. This vulnerability exists because of an incomplete fix for CVE-2025-48378. This vulnerability is fixed in 10.1.1.

Scores

CVSS	Score	Vector	Source
3.1	6.4 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N	GitHub_M

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
Dnn.Platformdnnsoftware	< 10.1.1Affected

References

https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-hmvq-8p83-cq52

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