# CVE-2026-6703

> Vulnerability · severity: **MEDIUM** (CVSS 4.3).

## 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.

## Key facts

- **CVE ID:** CVE-2026-6703
- **Published:** 2026-04-21
- **CVSS severity:** MEDIUM
- **CVSS base score:** 4.3
- **CWE codes:** CWE-862

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-6703

## Citation

> AI Analytics. CVE-2026-6703. Retrieved 2026-07-20 from https://api.ai-analytics.org/cve/CVE-2026-6703. Derived from NIST NVD. Licensed CC0.

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