What’s Vulnerable › Vulnerabilities

CVE-2026-4888: Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder <= 3.4.7 - Missing Authorization to Authenticated (Subscriber+) Email Sending

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-28 · updated 2026-06-17
• Weakness: CWE-862

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.

Affected products

• wpeverest Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder: through 3.4.7

References

• https://plugins.trac.wordpress.org/browser/everest-forms/tags/3.4.4/includes/class-evf-ajax.php#L1174
• https://www.wordfence.com/threat-intel/vulnerabilities/id/8bced7df-3e1a-4d7b-9ad0-64be5e18900f?source=cve

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