PT-2026-33919 · WordPress · Responsive Blocks – Page Builder For Blocks & Patterns

Even Stokkedalen · Published 2026-04-21 · Updated 2026-04-21 · CVE-2026-6703

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Responsive Blocks – Page Builder for Blocks & Patterns versions prior to 2.2.2

Description The plugin fails to properly verify if a user is authorized to perform specific actions. This allows authenticated attackers with contributor-level access or higher to modify global site-wide configuration options. Affected settings include the ability to toggle custom CSS, disable blocks, change layout defaults such as content width, container padding, and container gap, and alter auto-block-recovery behavior.

Recommendations Update to a version newer than 2.2.1.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2026-6703

Affected Products

Responsive Blocks – Page Builder For Blocks & Patterns

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2026-6703 · Security Note
• https://plugins.trac.wordpress.org/browser/responsive-block-editor-addons/trunk/includes/class-responsive-block-editor-addons.php#L1814 · Note
• https://twitter.com/CVEnew/status/2046571848952111474 · Twitter Post
• https://plugins.trac.wordpress.org/browser/responsive-block-editor-addons/trunk/includes/class-responsive-block-editor-addons.php#L668 · Note
• https://plugins.trac.wordpress.org/changeset/3465616 · Note
• https://plugins.trac.wordpress.org/browser/responsive-block-editor-addons/trunk/includes/class-responsive-block-editor-addons.php#L1730 · Note
• https://plugins.trac.wordpress.org/browser/responsive-block-editor-addons/tags/2.2.0/includes/class-responsive-block-editor-addons.php#L1730 · Note
• https://plugins.trac.wordpress.org/browser/responsive-block-editor-addons/tags/2.2.0/includes/class-responsive-block-editor-addons.php#L1814 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/187b072d-6314-4ac1-a924-b14324b2fd8d?source=cve · Note
• https://plugins.trac.wordpress.org/browser/responsive-block-editor-addons/tags/2.2.0/includes/class-responsive-block-editor-addons.php#L668 · Note