Short snippet to use with WPScan, discards all unnecessary data and prints only the alarming fields.

wp_check_for_vulnerabilities.php

// pipe script output to this script: 
// ./wpscan --url=http://site.fi | php wp_check_for_vulnerabilities.php

$error = false;
while(!feof(STDIN)){
  $line = fgets(STDIN);

  if(strpos($line,"[!]")){
    echo $line;
    $error = true;
  }
  else{

    if($error){
     if(strpos($line,"[+]")){
       $error = false;
     }
     else{
       echo $line;
     }
    }
  }
}