What are the potential pitfalls of using special characters in passwords in PHP scripts?

Using special characters in passwords in PHP scripts can potentially cause issues with escaping characters properly, leading to syntax errors or vulnerabilities like SQL injection. To avoid these pitfalls, it's important to properly sanitize and escape user input when handling passwords in PHP scripts. 

$password = mysqli_real_escape_string($connection, $_POST['password']);

Keywords

special characters passwords PHP scripts security vulnerabilities input validation

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