Simple Personal Message 1.0.3 – Plugin WordPress – Sql Injection

Homepage:

https://wordpress.org/plugins/simple-personal-message/

Description:

Type user access: any user.

$_GET[‘message’] is not escaped. sirv_get_row_by_id() is accessible for every registered user.

File / Code:

Path: /wp-content/plugins/simple-personal-message/admin/partials/simple-personal-message-admin-view.php

Line: 25

<?php

global $wpdb;

$table = $wpdb->prefix . 'spm_message';

$id = esc_attr($_GET['message']);

$message = $wpdb->get_results("SELECT * FROM $table WHERE id = $id");


$user = get_user_by('login', $message[0]->sender);

?>

Proof of Concept:

1 – Login as regular user (created using wp-login.php?action=register):

2 – Access url:

 

Result:

 

 

Timeline:

• 28/11/2016 – Discovered
• 28/11/2016 – Vendor notifed