Zploit 0-Day Shell

:: Editing File: mailsend.php

<?php

session_start();

if ($_SERVER["REQUEST_METHOD"] == "POST") {
    
    // Honeypot check - block if filled
    if (!empty($_POST['website'])) {
        exit('Spam detected.');
    }

if (!isset($_POST['captcha']) || $_POST['captcha'] != $_SESSION['captcha_answer']) {
        header("Location: form.php?status=error&msg=invalid_captcha");
        exit();
    }
    
    $name = htmlspecialchars($_POST['name']);
    $email = htmlspecialchars($_POST['email']);
    $phone = htmlspecialchars($_POST['phone']);
    $msg = htmlspecialchars($_POST['msg']);

// Email configuration
    $to = "harshadvalani1993@gmail.com";
    $subject = "Contact Form Submission from $name";
    $body = "Name: $name\nEmail: $email\nPhone: $phone\nMessage: $msg";
    $headers = "From: www.swiftind.co.in\r\n";

// Send email and redirect with status
    if (mail($to, $subject, $body, $headers)) {
        header("Location: form.php?status=success");
    } else {
        header("Location: form.php?status=error");
    }
} else {
    header("Location: form.php?status=error");
}
exit();
?>