Responsive Blocks – WordPress Gutenberg Blocks, CVE-2026-6703
- CVE, Research URL
- 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
| Previous vulnerability researches |
|---|
| ContentMX Content Publisher (CVE-2025-9889) , Apr 23, 2026 |
| ContentMX Content Publisher (CVE-2025-31555) , Apr 03, 2025 |