CVE-2025-23041: Umbraco Forms's Short and Long Answer Fields Are Not Validated Server-Side For Maximum Length

CVE-2025-23041 · Severity: low · CVSS 3.1 · Published 2025-01-14

Umbraco Forms's Short and Long Answer Fields Are Not Validated Server-Side For Maximum Length

Technologies: Umbraco.Forms (NuGet), UmbracoForms (NuGet). Vendors: NuGet.

Quick answers

Is CVE-2025-23041 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-23041 being exploited in the wild.
How severe is CVE-2025-23041?
Low severity, with a CVSS score of 3.1, published 14 January 2025.
Which products and versions are affected?
Umbraco.Forms (NuGet) ECOSYSTEM:introduced=0,fixed=10.5.7; UmbracoForms (NuGet) ECOSYSTEM:introduced=0,fixed=8.13.16.
Is there a fix for CVE-2025-23041?
Yes. Umbraco.Forms (NuGet): upgrade to 10.5.7 or later; UmbracoForms (NuGet): upgrade to 8.13.16 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-23041?
Check whether you run Umbraco.Forms (NuGet) or UmbracoForms (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

  • Umbraco.Forms (NuGet): upgrade to 10.5.7 or later
    dotnet add package Umbraco.Forms --version 10.5.7
  • UmbracoForms (NuGet): upgrade to 8.13.16 or later
    dotnet add package UmbracoForms --version 8.13.16

Affected products

  • Umbraco.Forms (NuGet) ECOSYSTEM:introduced=0,fixed=10.5.7
  • UmbracoForms (NuGet) ECOSYSTEM:introduced=0,fixed=8.13.16

Identifiers

  • CVE-2025-23041
  • GHSA-9v8m-qv22-f268

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