CVE-2025-64094: DNN vulnerable to stored cross-site-scripting (XSS) via SVG upload

CVE-2025-64094 · Severity: medium · CVSS 6.4 · Published 2025-10-28

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.

Technologies: Dnnsoftware Dotnetnuke, DotNetNuke.Core (NuGet). Vendors: Dnnsoftware, NuGet.

Quick answers

Is CVE-2025-64094 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-64094 being exploited in the wild.
How severe is CVE-2025-64094?
Medium severity, with a CVSS score of 6.4, published 28 October 2025.
Which products and versions are affected?
DotNetNuke.Core (NuGet) ECOSYSTEM:introduced=0,fixed=10.1.1.
Is there a fix for CVE-2025-64094?
Yes. DotNetNuke.Core (NuGet): upgrade to 10.1.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-64094?
Check whether you run Dnnsoftware Dotnetnuke or DotNetNuke.Core (NuGet) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • DotNetNuke.Core (NuGet): upgrade to 10.1.1 or later
    dotnet add package DotNetNuke.Core --version 10.1.1

Affected products

  • Dnnsoftware Dotnetnuke
  • DotNetNuke.Core (NuGet) ECOSYSTEM:introduced=0,fixed=10.1.1

Identifiers

  • CVE-2025-64094
  • GHSA-hmvq-8p83-cq52

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