{"id":"CVE-2026-6703","aliases":["EUVD-2026-24069","GHSA-47x2-3wfg-624p"],"status":"published","title":"Responsive Blocks \u003c= 2.2.1 - Missing Authorization to Authenticated (Contributor+) Arbitrary Modification via AJAX Actions","description":"The Responsive Blocks – Page Builder for Blocks \u0026 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.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0023,"percentile":0.13941,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-04-21T06:43:58Z","modified":"2026-06-17T11:01:11Z","products":[{"vendor":"cyberchimps","product":"responsive blocks – page builder for blocks \u0026 patterns"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/187b072d-6314-4ac1-a924-b14324b2fd8d?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/responsive-block-editor-addons/trunk/includes/class-responsive-block-editor-addons.php#L1814"},{"url":"https://plugins.trac.wordpress.org/browser/responsive-block-editor-addons/tags/2.2.0/includes/class-responsive-block-editor-addons.php#L1814"},{"url":"https://plugins.trac.wordpress.org/browser/responsive-block-editor-addons/trunk/includes/class-responsive-block-editor-addons.php#L1730"},{"url":"https://plugins.trac.wordpress.org/browser/responsive-block-editor-addons/tags/2.2.0/includes/class-responsive-block-editor-addons.php#L1730"},{"url":"https://plugins.trac.wordpress.org/browser/responsive-block-editor-addons/trunk/includes/class-responsive-block-editor-addons.php#L668"},{"url":"https://plugins.trac.wordpress.org/browser/responsive-block-editor-addons/tags/2.2.0/includes/class-responsive-block-editor-addons.php#L668"},{"url":"https://plugins.trac.wordpress.org/changeset/3465616"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6703"},{"url":"https://github.com/advisories/GHSA-47x2-3wfg-624p"}],"sources":{"cve":[{"id":"CVE-2026-6703","title":"Responsive Blocks \u003c= 2.2.1 - Missing Authorization to Authenticated (Contributor+) Arbitrary Modification via AJAX Actions","description":"The Responsive Blocks – Page Builder for Blocks \u0026 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.","status":"published","published":"2026-04-21T06:43:58.955Z","modified":"2026-04-21T16:36:19.694Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T13:50:04.986624Z"}],"euvd":[{"id":"EUVD-2026-24069","description":"The Responsive Blocks – Page Builder for Blocks \u0026 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.","status":"published","published":"2026-04-21T06:43:58Z","modified":"2026-04-21T16:36:19Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:21.512647Z"}],"ghsa":[{"id":"GHSA-47x2-3wfg-624p","title":"The Responsive Blocks – Page Builder for Blocks \u0026 Patterns plugin for WordPress is vulnerable to...","description":"The Responsive Blocks – Page Builder for Blocks \u0026 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.","status":"published","published":"2026-04-21T09:31:07Z","modified":"2026-04-21T09:31:13Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:07:33.597532Z"}],"nvd":[{"id":"CVE-2026-6703","description":"The Responsive Blocks – Page Builder for Blocks \u0026 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.","status":"published","published":"2026-04-21T07:16:09.547Z","modified":"2026-06-17T11:01:11.95Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:15.120927Z"}]}}