CVE-2026-4888: Wpeverest Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

The Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder plugin for WordPress is vulnerable to unauthorized email sending due to a missing capability check on the send_test_email() function in all versions up to, and including, 3.4.7. This makes it possible for authenticated attackers, with Subscriber-level access and above, to send test emails to arbitrary addresses from the server.

Affected products

• Wpeverest Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder: up to and including 3.4.7

Published 2026-05-28. Last modified 2026-06-17.