What is the potential issue with the code provided in the forum thread when running on a web server?

The potential issue with the code provided in the forum thread is that it may expose sensitive information, such as database credentials, to malicious users if it is executed on a web server. To solve this issue, it is recommended to store sensitive information in a separate configuration file outside of the web root directory and include it in the main PHP file using a relative path. 

// config.php
<?php
$db_host = 'localhost';
$db_user = 'username';
$db_pass = 'password';
$db_name = 'database_name';
?>

// index.php
<?php
include('../config.php');

// rest of the code
?>

Keywords

PHP web server security vulnerability SQL injection code injection

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