How severe is CVE-2026-4056?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Auth bypass in Wpeverest User Registration & Membership – Free Paid Memberships, Subscriptions, Content Restriction, Profile, Custom Login Builder

CVE-2026-4056

The User Registration & Membership plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the Content Access Rules REST API endpoints in versions 5.0.1 through 5.1.4. This is due to the…

Vulnerability class: Broken Access Control

EPSS: 0.002 (8.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Wpeverest User Registration & Membership – Free Paid Memberships, Subscriptions, Content Restriction, Profile, Custom Login Builder — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

Frequently asked questions

What is CVE-2026-4056?: CVE-2026-4056 is a medium-severity vulnerability in Wpeverest User Registration & Membership – Free Paid Memberships, Subscriptions, Content Restriction, Profile, Custom Login Builder, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-03-24.
How severe is CVE-2026-4056?: Medium severity. CVSS v3 base score is 5.4 out of 10.