Auth bypass in Cyberchimps Responsive Blocks – Page Builder For & Patterns

CVE-2026-6703

The Responsive Blocks – Page Builder for Blocks & Patterns plugin for WordPress is vulnerable to unauthorized access in all versions up to, and including, 2.2.1. This is due to the plugin not properly verifying that a user is authorized to…

Vulnerability class: Broken Access Control

EPSS: 0.000 (12.2th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-6703?
CVE-2026-6703 is a medium-severity vulnerability in Cyberchimps Responsive Blocks – Page Builder For & Patterns, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-04-21.
How severe is CVE-2026-6703?
Medium severity. CVSS v3 base score is 4.3 out of 10.