CVE-2026-4888

Medium

Description

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.

SeverityMedium
CVSS4.3
Exploit probability—
ProductEverest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder
PublishedMay 28, 2026
First seenMay 28, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
wpeverest Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builderv ≤ 3.4.7—

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