What are the potential pitfalls of using command line parameters in PHP scripts?

One potential pitfall of using command line parameters in PHP scripts is the risk of security vulnerabilities, such as command injection attacks. To mitigate this risk, it is important to properly sanitize and validate any user input received through command line parameters. 

// Sanitize and validate command line parameters
if(isset($argv[1])) {
    $param = escapeshellarg($argv[1]);
    // Rest of the script logic using $param
} else {
    echo "Please provide a valid parameter.";
}

Keywords

command line parameters PHP scripts security vulnerabilities injection attacks validation techniques

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