{"id":48195,"date":"2026-04-21T03:51:08","date_gmt":"2026-04-21T03:51:08","guid":{"rendered":"http:\/\/localhost\/?p=48195"},"modified":"2026-04-21T03:51:08","modified_gmt":"2026-04-21T03:51:08","slug":"responsive-blocks-221-missing-authorization-to-authenticated-contributor-arbitrary-modification-via","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=48195","title":{"rendered":"Responsive Blocks <= 2.2.1 - Missing Authorization to Authenticated (Contributor+) Arbitrary Modification via AJAX Actions_CVE-2026-6703"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;The Responsive Blocks \u2013 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. 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Actions&#8221;,&#8221;source&#8221;:&#8221;Wordfence&#8221;,&#8221;references&#8221;:&#8221;https:\/\/www.wordfence.com\/threat-intel\/vulnerabilities\/id\/187b072d-6314-4ac1-a924-b14324b2fd8d?source=cve\\nhttps:\/\/plugins.trac.wordpress.org\/browser\/responsive-block-editor-addons\/trunk\/includes\/class-responsive-block-editor-addons.php#L1814\\nhttps:\/\/plugins.trac.wordpress.org\/browser\/responsive-block-editor-addons\/tags\/2.2.0\/includes\/class-responsive-block-editor-addons.php#L1814\\nhttps:\/\/plugins.trac.wordpress.org\/browser\/responsive-block-editor-addons\/trunk\/includes\/class-responsive-block-editor-addons.php#L1730\\nhttps:\/\/plugins.trac.wordpress.org\/browser\/responsive-block-editor-addons\/tags\/2.2.0\/includes\/class-responsive-block-editor-addons.php#L1730\\nhttps:\/\/plugins.trac.wordpress.org\/browser\/responsive-block-editor-addons\/trunk\/includes\/class-responsive-block-editor-addons.php#L668\\nhttps:\/\/plugins.trac.wordpress.org\/browser\/responsive-block-editor-addons\/tags\/2.2.0\/includes\/class-responsive-block-editor-addons.php#L668\\nhttps:\/\/plugins.trac.wordpress.org\/changeset\/3465616&#8243;,&#8221;id&#8221;:&#8221;CVE-2026-6703&#8243;,&#8221;bulletinFamily&#8221;:&#8221;&#8221;,&#8221;cwe&#8221;:[&#8220;CWE-862&#8243;],&#8221;cvelist&#8221;:null,&#8221;sourceData&#8221;:&#8221;cyberchimps 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