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CVE-2025-23041

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

Published: Jan 14, 2025Updated: Sep 19, 2025 Sources: CVE List NVD GHSACWE-20
NVD MITRE
5.8CVSSMEDIUM
EPSS Score
0.4%
Top 72.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Umbraco.Forms is a web form framework written for the nuget ecosystem. Character limits configured by editors for short and long answer fields are validated only client-side, not server-side. This issue has been patched in versions 8.13.16, 10.5.7, 13.2.2, and 14.1.2. Users are advised to upgrade. There are no known workarounds for this issue.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:CC:NI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
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Weaknesses

CWE-20NVD-CWE-noinfo

Affected Products

Umbraco.Forms.Issuesumbraco
On-prem
Web & CMS Plugins / cms-core
umbraco formsumbraco
On-prem
Web & CMS Plugins / cms-core
Umbraco.FormsNuGetOSS Libraries
UmbracoFormsNuGetOSS Libraries
umbracocommercialDKWeb & CMS Pluginsaka umbraco cms, umbraco forms, umbraco-cms
nugetpackage-ecosystemOSS Libraries

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://github.com/umbraco/Umbraco.Forms.Issues/security/advisories/GHSA-9v8m-qv22-f268
github.com
https://nvd.nist.gov/vuln/detail/CVE-2025-23041
nvd.nist.gov

Timeline

Published
Jan 14, 2025
Last Updated
Sep 19, 2025

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