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This code is insecure, don’t use it! #1

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JuliusPC opened this issue Mar 22, 2020 · 0 comments
Open

This code is insecure, don’t use it! #1

JuliusPC opened this issue Mar 22, 2020 · 0 comments

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@JuliusPC
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Your code contains several security flaws that can and will bite newbies copying the code on their servers.

  • you omit htmlspecialchars → XSS
  • the form is not protected against Cross Site Request Forgery
  • user input is pasted unchecked in the mail’s headers → an attacker could easily send email to other adresses
  • there are libraries for sending email: PHPMailer, SwiftMailer
    There is no reason for implementing such thing by yourself.
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@JuliusPC