Reset Joomla 1.0 user password by updating the database user record

joomla10_password_reset.php

<?php

//metti la tua password qui
$adminPassword = 'MY-VERY-NEW-PASSWORD';

function mosMakePassword($length) {
  
  $salt = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
  
  $len = strlen($salt);
  
  $makepass="";
  
  mt_srand(10000000*(double)microtime());
  
  for ($i = 0; $i < $length; $i++)
  
  $makepass .= $salt[mt_rand(0,$len - 1)];
  
  return $makepass;

}

$salt = mosMakePassword(16);

$crypt = md5($adminPassword.$salt);

$cryptpass = $crypt.':'.$salt;

//leggi la tua password criptata qui
die($cryptpass);

?>