How severe is CVE-2026-4888?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Wpeverest Everest Forms – Contact Form, Payment Quiz, Survey & Custom Form Builder

CVE-2026-4888

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…

Vulnerability class: Broken Access Control

EPSS: 0.000 (1.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Wpeverest Everest Forms – Contact Form, Payment Quiz, Survey & Custom Form Builder — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

Frequently asked questions

What is CVE-2026-4888?: CVE-2026-4888 is a medium-severity vulnerability in Wpeverest Everest Forms – Contact Form, Payment Quiz, Survey & Custom Form Builder, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-05-28.
How severe is CVE-2026-4888?: Medium severity. CVSS v3 base score is 4.3 out of 10.