{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-14855", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-07-06T12:04:45.770Z", "datePublished": "2026-09-18T02:27:53.075Z", "dateUpdated": "2026-09-18T02:27:53.075Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-09-18T02:27:53.075Z"}, "affected": [{"vendor": "themewant", "product": "RT Mega Menu \u2013 Mega Menu Builder for Elementor & Gutenberg", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "1.5.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "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."}], "title": "RT Mega Menu <= 1.5.1 - Authenticated (Subscriber+) Stored Cross-Site Scripting via rtmega_update_menu_options AJAX Action", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/4302ab90-f827-4e25-b72f-d41542d3bad3?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/rt-mega-menu/tags/1.5.1/public/includes/rtmega-nav-walker.php#L186"}, {"url": "https://plugins.trac.wordpress.org/browser/rt-mega-menu/tags/1.5.1/admin/includes/admin-ajax-request.php#L68"}, {"url": "https://plugins.trac.wordpress.org/browser/rt-mega-menu/tags/1.5.1/admin/includes/admin-ajax-request.php#L34"}, {"url": "https://plugins.trac.wordpress.org/browser/rt-mega-menu/tags/1.5.1/admin/includes/plugin-scripts.php#L81"}, {"url": "https://plugins.trac.wordpress.org/browser/rt-mega-menu/tags/1.5.1/public/includes/rt-mega-menu-terms.php#L82"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "cweId": "CWE-79", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "baseScore": 6.4, "baseSeverity": "MEDIUM"}}], "credits": [{"lang": "en", "type": "finder", "value": "Mitchell"}], "timeline": [{"time": "2026-05-11T00:00:00.000Z", "lang": "en", "value": "Discovered"}, {"time": "2026-09-17T14:08:34.000Z", "lang": "en", "value": "Disclosed"}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "RT Mega Menu \u2013 Mega Menu Builder for Elementor & Gutenberg", "vendor": "themewant", "versions": [{"lessThanOrEqual": "1.5.1", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-14855", "lastModified": "2026-09-18T03:16:33.040", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 2.7, "source": "[email protected]", "type": "Primary"}]}, "published": "2026-09-18T03:16:33.040", "references": [{"source": "[email protected]", "url": "https://plugins.trac.wordpress.org/browser/rt-mega-menu/tags/1.5.1/admin/includes/admin-ajax-request.php#L34"}, {"source": "[email protected]", "url": "https://plugins.trac.wordpress.org/browser/rt-mega-menu/tags/1.5.1/admin/includes/admin-ajax-request.php#L68"}, {"source": "[email protected]", "url": "https://plugins.trac.wordpress.org/browser/rt-mega-menu/tags/1.5.1/admin/includes/plugin-scripts.php#L81"}, {"source": "[email protected]", "url": "https://plugins.trac.wordpress.org/browser/rt-mega-menu/tags/1.5.1/public/includes/rt-mega-menu-terms.php#L82"}, {"source": "[email protected]", "url": "https://plugins.trac.wordpress.org/browser/rt-mega-menu/tags/1.5.1/public/includes/rtmega-nav-walker.php#L186"}, {"source": "[email protected]", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/4302ab90-f827-4e25-b72f-d41542d3bad3?source=cve"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "[email protected]", "type": "Primary"}]}

{}

{}