CVE-2025-62738 MEDIUM

CVE-2025-62738: WordPress Formstack Online Forms plugin <= 2.0.2 - Broken Access Control vulnerability

Vendor Mmattax
Product Formstack Online Forms
Weakness CWE-862 · Missing authorization
Published December 9, 2025
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in mmattax Formstack Online Forms formstack allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Formstack Online Forms: from n/a through <= 2.0.2.

Explanation of Vulnerability in Simple Terms

02Summary

Formstack Online Forms versions 2.0.2 and earlier lack proper authorization checks, allowing unauthenticated attackers to modify form data or settings over the network. No user interaction is required. The vulnerability affects data integrity but not confidentiality or availability. Update to a version newer than 2.0.2.

What an attacker can do

03Attacker Capabilities

Modify form data or settings without authentication.

Potential impact on your site

04Site Impact

Form submissions or configurations could be altered by unauthorized parties, compromising data integrity.

Conditions required to exploit

05Prerequisites

Network access to the Formstack instance; no authentication or user interaction required.

Key dates

06Disclosure timeline

December 9, 2025 CVE published
April 28, 2026 Record updated