Umbraco Forms's Short and Long Answer Fields Are Not Validated Server-Side For Maximum Length
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
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| .NET (NuGet) | Umbraco.Forms | < 10.5.7, >= 11.0.0-rc1, < 13.2.2, >= 14.0.0-beta001, < 14.1.2 | 10.5.7, 13.2.2, 14.1.2 |
| .NET (NuGet) | UmbracoForms | < 8.13.16 | 8.13.16 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L- Weakness (CWE)
CWE-20, CWE-602- Platform
- .NET (NuGet)
- Package
Umbraco.Forms, UmbracoForms- Disclosed
- 14.01.2025
- Updated
- 11.10.2026 11:23
Sources and licenses
OSV / GitHub Advisory Database - GHSA-9v8m-qv22-f268 - CC BY 4.0
Vulnerability history: UmbracoForms
All published vulnerabilities of this package (.NET (NuGet)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 4
- First → latest
- 07.2020 01.2026
- Without a fix
- 3
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 1
- Medium 1
- Low 1
Disclosures per year
- 2020: 1
- 2021: 0
- 2022: 0
- 2023: 0
- 2024: 0
- 2025: 2
- 2026: 1
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Umbraco Forms's Short and Long Answer Fields Are Not Validated Server-Side For Maximum Length this entry
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