What are the potential security risks of attaching session_id to a URL in PHP?

Attaching the session_id to a URL in PHP can expose it to potential security risks, such as session hijacking or session fixation attacks. To mitigate these risks, it is recommended to use cookies to store the session_id instead of passing it in the URL. 

// Start the session
session_start();

// Set the session_id in a cookie
$session_id = session_id();
setcookie('PHPSESSID', $session_id, time() + 3600, '/', '', false, true);

Keywords

session_id URL security risks PHP session hijacking

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