OpenCart 3.0.36 - ATO via Cross Site Request Forgery

# Exploit Title: OpenCart 3.0.36 - ATO via Cross Site Request Forgery
# Date: 01-09-2021
# Exploit Author: Mahendra Purbia {Mah3Sec}
# Vendor Homepage: https://www.opencart.com
# Software Link: https://www.opencart.com/index.php?route=cms/download
# Version: OpenCart CMS - 3.0.3.6
# Tested on: Kali Linux

#Description:
OpenCart CMS 3.0.3.6 & below versions are vulnerable to Account takeover via CSRF, related to the endpoint /account/edit.

Steps to Reproduce:
1. create accounts a. victim & b. Attacker (attacker account is just for fetch the request and create a CSRf POC)
2. Now login with Attacker account and then go to account/edit and change the email and intercept this request in repeater, now create a CSRF POC of that request.
3. now in that poc change the email and email which is not registered {attacker another email}. Now save this request as a .html file.
4. now send this POC to the victim. and then the victim opens that file automatically all information is changed like name, email etc.
5. now attacker access account (with help of forgot password which came on attacker email) and fetch victim all information.