Vulnerability in Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI — CVE-2026-89101
What to do now
Update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI to 3.6.3 or later.
Affected versions
- Everything up to and including 3.6.2
Affected: Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI (plugin, everest-forms)
What the vulnerability is
The Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.6.2 via the get_entry due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with custom-level access and above, to view, read, and permanently delete forms and entries belonging to any other user — including personally identifiable information submitted through public contact and lead forms — regardless of form ownership.
Sources
- https://plugins.trac.wordpress.org/browser/everest-forms/tags/3.6.1/includes/abilities/class-evf-abilities-handlers.php#L22
- https://plugins.trac.wordpress.org/browser/everest-forms/tags/3.6.1/includes/abilities/class-evf-abilities-handlers.php#L30
- https://plugins.trac.wordpress.org/browser/everest-forms/tags/3.6.1/includes/abilities/class-evf-abilities-handlers.php#L34
- https://plugins.trac.wordpress.org/browser/everest-forms/tags/3.6.1/includes/abilities/class-evf-abilities-handlers.php#L46
- https://plugins.trac.wordpress.org/browser/everest-forms/tags/3.6.1/includes/abilities/class-evf-abilities-handlers.php#L563
- https://plugins.trac.wordpress.org/browser/everest-forms/tags/3.6.1/includes/abilities/class-evf-abilities-handlers.php#L62