online-shoe-sqli-4.md

Online Shoe Store Using PHP has SQL Injection vulnerability via $tid paremeter in /summary.php.

Project

https://code-projects.org/online-shoe-store-using-php-source-code/

Vulnerability

/summary.php - $tid paremeter.

Description

The SQL Injection vulnerability exists in diretory /summary.php where this function query the tid parameter into the SQL statement without any restriction, validation or sanitization. An attacker could exploit this vulnerability to get unauthorized access to the server database, or even perform Remote Code Execution (RCE).

<?php
  $t_id = $_GET['tid'];
  $query = $conn->query("SELECT * FROM transaction WHERE transaction_id = '$t_id'") or die (mysqli_error());
  $fetch = $query->fetch_array();

PoC

Enumerate all databases with sqlmap:

Get OS-shell and execute command: