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WordPress NextGEN Gallery 2.0.66.16 Cross Site Scripting

WordPress NextGEN Gallery 2.0.66.16 Cross Site Scripting
Posted Dec 17, 2015
Authored by Madhu Akula

WordPress NextGEN Gallery plugin version 2.0.66.16 suffers from multiple cross site scripting vulnerabilities.

tags | exploit, vulnerability, xss
MD5 | 7ec9093c6b23b4b8e022e8b25eb6533d

WordPress NextGEN Gallery 2.0.66.16 Cross Site Scripting

Change Mirror Download
Plugin Name : NextGEN Gallery

Effected Version : 2.0.66.16 (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) :

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

Click on Image upload and give the image name as ("><img src=x onerror=prompt(document.cookie)>.png")


Video Demonstration :

http://www.youtube.com/watch?v=SzNopJUE3nk

Type of XSS : Stored

Fixed in : 2.0.66.17

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

Disclosure Timeline

Vendor Contacted : 2014-08-02

Plugin Status : Updated on 2014-08-04

Public Disclosure : October 3, 2015

CVE Number : Not assigned yet

Plugin Description :

NextGEN Gallery is the most popular WordPress gallery plugin, and one of the most popular WordPress plugins of all time, with over 10 million downloads.

It provides a powerful engine for uploading and managing galleries of images, with the ability to batch upload, import meta data, add/delete/rearrange/sort images, edit thumbnails, group galleries into albums, and more. It also provides two front-end display styles (slideshows and thumbnail galleries), both of which come with a wide array of options for controlling size, style, timing, transitions, controls, lightbox effects, and more.

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