What potential security risks are associated with displaying all gallery entries, regardless of user permissions, in a PHP-based gallery management system?

Displaying all gallery entries regardless of user permissions can lead to unauthorized access to sensitive images or information. To mitigate this security risk, you should implement access control checks to ensure that only authorized users can view specific gallery entries based on their permissions.

// Check user permissions before displaying gallery entries
if (check_user_permissions($user_id, $gallery_id)) {
    // Display gallery entries
    // Your code to display gallery entries goes here
} else {
    // Display an error message or redirect unauthorized users
    echo "You are not authorized to view this gallery.";
}