{"id":"CVE-2026-14855","revision":"379518e1981e47fcb3eb05a29e18702b","records":[{"revision":"379518e1981e47fcb3eb05a29e18702b","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-14855","aliases":[],"title":"RT Mega Menu <= 1.5.1 - Authenticated (Subscriber+) Stored Cross-Site Scripting via rtmega_update_menu_options AJAX Action","description":"The RT Mega Menu plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'css[left]' parameter in all versions up to, and including, 1.5.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","state":0,"publishedAt":"2026-09-18T02:27:53.075+00:00","modifiedAt":"2026-10-14T16:21:20.255+00:00","affected":[{"ecosystem":"Vendor product","name":"RT Mega Menu – Mega Menu Builder for Elementor & Gutenberg","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"themewant\",\n                    \"product\": \"RT Mega Menu – Mega Menu Builder for Elementor & Gutenberg\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"lessThanOrEqual\": \"1.5.1\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","score":6.4,"severity":"MEDIUM"}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/4302ab90-f827-4e25-b72f-d41542d3bad3?source=cve","https://plugins.trac.wordpress.org/browser/rt-mega-menu/tags/1.5.1/public/includes/rtmega-nav-walker.php#L186","https://plugins.trac.wordpress.org/browser/rt-mega-menu/tags/1.5.1/admin/includes/admin-ajax-request.php#L68","https://plugins.trac.wordpress.org/browser/rt-mega-menu/tags/1.5.1/admin/includes/admin-ajax-request.php#L34","https://plugins.trac.wordpress.org/browser/rt-mega-menu/tags/1.5.1/admin/includes/plugin-scripts.php#L81","https://plugins.trac.wordpress.org/browser/rt-mega-menu/tags/1.5.1/public/includes/rt-mega-menu-terms.php#L82","https://plugins.trac.wordpress.org/changeset/3604791/rt-mega-menu/trunk/admin/includes/admin-ajax-request.php"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-14855","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-14855","identifiers":["CVE-2026-14855"]},"retained":false,"historicalAffected":[]}],"coverage":[]}