What the vulnerability does
01Description
Missing Authorization vulnerability in approveme Signature Add-On for Gravity Forms gravity-signature-forms-add-on allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Signature Add-On for Gravity Forms: from n/a through <= 1.8.6.
Explanation of Vulnerability in Simple Terms
02Summary
The Signature Add-On for Gravity Forms versions 1.8.6 and earlier lack proper authorization checks on certain operations. A logged-in user with low privileges can modify data they should not have access to. The vulnerability does not affect confidentiality or availability, only data integrity. Update to a version newer than 1.8.6.
What an attacker can do
03Attacker Capabilities
Modify data in the plugin that should be restricted to higher-privilege users.
Potential impact on your site
04Site Impact
Unauthorized users can alter signature data or plugin settings, potentially corrupting forms or workflows.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege account on the site (e.g., subscriber or contributor role).
Key dates
06Disclosure timeline
December 31, 2025
CVE published
April 28, 2026
Record updated