What potential pitfalls should be considered when adding direct links to user-specific sections on a website?

One potential pitfall to consider when adding direct links to user-specific sections on a website is the risk of exposing sensitive information if the links are not properly secured. To mitigate this risk, it is important to validate the user's access rights before redirecting them to the specific section. This can be done by checking the user's credentials or session data to ensure they have the necessary permissions.

// Check user's credentials before redirecting to user-specific section
if($user->hasAccessToSection($sectionId)) {
    header("Location: /user-specific-section.php");
    exit();
} else {
    // Handle unauthorized access
    echo "You do not have permission to access this section.";
}