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Vulnerabilities and Security Researches

Responsive Blocks – WordPress Gutenberg Blocks, CVE-2026-6703

CVE, Research URL

CVE-2026-6703

Published on
Apr 21, 2026
Research Description
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 perform an action. This makes it possible for authenticated attackers, with contributor-level access and above, to modify global site-wide plugin configuration options, including toggling custom CSS, disabling blocks, changing layout defaults such as content width, container padding, and container gap, and altering auto-block-recovery behavior.
Affected versions
max 2.2.2.
Status
vulnerable