VehicleWorkshop 1.0 - 'bookingid' SQL Injection

# Exploit Title: VehicleWorkshop 1.0 - 'bookingid' SQL Injection 
# Data: 2020-02-06
# Exploit Author: Mehran Feizi
# Vendor HomagePage: https://github.com/spiritson/VehicleWorkshop
# Tested on: Windows
# Google Dork: N/A


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Vulnerable Page:
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/viewtestdrive.php


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Vulnerable Source:
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Line6: if(isset($_GET['testid']))
Line8: $results = mysql_query("DELETE from testdrive where bookingid ='$_GET[testid]'");
Line11: if(isset($_GET['testbid']))
Line13: $results = mysql_query("UPDATE testdrive SET status='Approved' where bookingid ='$_GET[testbid]'");
Line16: if(isset($_GET['testbida']))
Line:18: $results = mysql_query("UPDATE testdrive SET status='Rejected' where bookingid ='$_GET[testbida]'");

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POC:
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http://site.com/viewtestdrive.php?bookingid=[SQL]