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CVE-2025-23041 — Vulnerability in Umbraco.Forms — CVE Details

MEDIUM

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

Published January 14, 2025Updated September 19, 2025Source: osv

Summary

### Impact Character limits configured by editors for short and long answer fields are validated only client-side, not server-side. ### Patches Patched in 8.13.16, 10.5.7, 13.2.2, 14.1.2

Advisory Timeline

  • First published January 14, 2025 (636 days ago).
  • Last revised September 19, 2025 — 248 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

NuGet
Update Umbraco.Forms to 14.1.2 or later
dotnet add package Umbraco.Forms --version 14.1.2
NuGet
Update Umbraco.Forms to 10.5.7 or later
dotnet add package Umbraco.Forms --version 10.5.7
NuGet
Update Umbraco.Forms to 13.2.2 or later
dotnet add package Umbraco.Forms --version 13.2.2
NuGet
Update UmbracoForms to 8.13.16 or later
dotnet add package UmbracoForms --version 8.13.16

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (4)

Affects 1 ecosystem: nuget (2).

PackageEcosystemAffectedFixed In
Umbraco.Forms
nuget
14.0.0, 14.0.0-beta001, 14.0.0-beta002, 14.0.0-beta003 (+8 more)14.1.2
Umbraco.Forms
nuget
10.0.0, 10.0.0-rc1, 10.0.0-rc2, 10.0.0-rc3 (+62 more)10.5.7
Umbraco.Forms
nuget
11.0.0, 11.0.0-rc1, 11.0.0-rc2, 11.0.0-rc3 (+43 more)13.2.2
UmbracoForms
nuget
4.0.0, 4.0.1, 4.0.1-Build111, 4.0.2 (+145 more)8.13.16

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 5.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

References

Frequently Asked Questions

What is CVE-2025-23041?
Umbraco Forms's Short and Long Answer Fields Are Not Validated Server-Side For Maximum Length This vulnerability has been assigned a severity rating of MEDIUM (CVSS score: 5.8/10).
How do I check if my project is affected by CVE-2025-23041?
CVE-2025-23041 affects Umbraco.Forms and UmbracoForms. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2025-23041 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
5.8

Exploitation requires specific conditions or has limited impact. Remediate within weeks.

Also Known As

GHSA-9v8m-qv22-f268

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