main.py

import argparse
import requests
import concurrent.futures

class XSSScanner:
    def __init__(self, url, payload_file):
        self.url = url
        self.payload_file = payload_file

    def scan(self, payload):
        try:
            response = requests.get(self.url + payload.strip(), timeout=5)
            if payload.strip() in response.text:
                print("[+] Found Reflected XSS: " + payload.strip())
        except requests.RequestException as e:
            print("Error:", e)

    def run(self):
        with open(self.payload_file) as payloads:
            with concurrent.futures.ThreadPoolExecutor() as executor:
                executor.map(self.scan, payloads)

def parse_arguments():
    parser = argparse.ArgumentParser()
    parser.add_argument('-u', '--url', type=str, help='Target URL')
    parser.add_argument('-f', '--payload-file', type=str, default='reflected-xss-payloads.txt', help='Payload file')
    args = parser.parse_args()
    return args

if __name__ == "__main__":
    args = parse_arguments()
    if args.url:
        scanner = XSSScanner(args.url, args.payload_file)
        scanner.run()
    else:
        print("Please provide a target URL using the -u/--url option.")