CVE-2025-59821: DNN vulnerable to Reflected Cross-Site Scripting (XSS) using url to profile

CVE-2025-59821 · Severity: low · CVSS 3.1 · Published 2025-09-23

DNN vulnerable to Reflected Cross-Site Scripting (XSS) using url to profile

Technologies: DotNetNuke.Core (NuGet). Vendors: NuGet.

Quick answers

Is CVE-2025-59821 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-59821 being exploited in the wild.
How severe is CVE-2025-59821?
Low severity, with a CVSS score of 3.1, published 23 September 2025.
Which products and versions are affected?
DotNetNuke.Core (NuGet) ECOSYSTEM:introduced=0,fixed=10.1.0.
Is there a fix for CVE-2025-59821?
Yes. DotNetNuke.Core (NuGet): upgrade to 10.1.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-59821?
Check whether you run 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 10.1.0 or later
    dotnet add package DotNetNuke.Core --version 10.1.0

Affected products

  • DotNetNuke.Core (NuGet) ECOSYSTEM:introduced=0,fixed=10.1.0

Identifiers

  • CVE-2025-59821
  • GHSA-jc4g-c8ww-5738

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