What the vulnerability does
01Description
The Divi Form Builder plugin for WordPress is vulnerable to Missing Authorization in versions up to, and including, 5.1.8. This is due to the update_user() function accepting a user ID parameter from form submissions without verifying that the authenticated user has permission to edit that specific user account, and the handle_register_submission() function only checking if any user is logged in rather than validating permissions for the target user. This makes it possible for authenticated attackers, with subscriber-level access and above, to change the email address and password of any user account, including administrators, resulting in complete account takeover.
Explanation of Vulnerability in Simple Terms
02Summary
Divi Form Builder versions 5.1.8 and earlier contain an authorization flaw that allows authenticated users with low privileges to read, modify, or delete sensitive data and disrupt site operations. The vulnerability requires a valid user account but no special interaction. Site administrators should update immediately to a version newer than 5.1.8.
What an attacker can do
03Attacker Capabilities
Read, modify, or delete sensitive data; disrupt site availability with a valid user account.
Potential impact on your site
04Site Impact
Any authenticated user can access or alter form data and settings, potentially exposing visitor submissions or breaking form functionality.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege user account on the site; no user interaction required.
Key dates
06Disclosure timeline
July 9, 2026
CVE published
July 9, 2026
Record updated
