This is because users can bypass security and can do nasty things with the server. Also, it sends the raw output from this program to the output stream with which PHP works.Ī typical application of passthru function will be the PHP scripts that output images directly.īut, taking the user input and passing it to the passthru() function can often be fatal. It runs the external program specified in the first parameter and prints out all the output it generates. We usually use the passthru () function to execute a command. Have a vague idea about it? Let’s make it clear. So today, let’s get deep into the passthru() function and discuss how our Support Engineers disable it for our customers. ![]() That’s why at Bobcares we receive many requests to disable the passthru() function in PHP as part of our Server Management Services. It makes the server vulnerable to hacking. Improper way of using the PHP passthru function mess up with the server data at an unimaginable level. ![]() Have you heard of PHP passthru() exploit and it’s bad effects?
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