system: You are an expert security code reviewer. You will be shown a source code file along with a multi-select question listing several CWE (Common Weakness Enumeration) categories. Your task is to identify which of the listed CWEs are present in the code.

OUTPUT FORMAT: Respond with the letter(s) of all correct options, sorted alphabetically and comma-separated, wrapped in a single \boxed{...}. Examples: `\boxed{A}` for one correct, `\boxed{A,C}` for two, `\boxed{A,C,E}` for three. Output the boxed answer ONLY -- no explanation, no other text.

user: ```python
from telegram.ext import Filters
from telegram import (ReplyKeyboardMarkup, ReplyKeyboardRemove)
from botmother.BotConstructor import BotConstructor
from botmother.Blueprint import Blueprint
from botmother.Conversation import Conversation

"""
This test shows how to construct a conversation with the bot.
Here, we have a conversation where the bots wants to know the user,
askin the genre, a photo, location and some description.
To understand better the wor flow of the conversation, search about the
State design pattern and/or automatons.
"""

#first, we must define the token of the bot
token = environ.get("BOT_ALFRED_TOKEN")

#then, we can create the BotConstructor object
bot = BotConstructor(token)

#we can create a blueprint object, that will contains the organization of the conversation
blueprint = Blueprint()

#this function will start the conversation
def start(bot, update):
	print("Starting conversation")
	#this is a set of possible answers
	reply_keyboard = [['Boy', 'Girl']]

	#the reply_markup hides the keyborad and replace for the set of options defined
	update.message.reply_text(
		'Hi! I will hold a conversation with you. '
		'Send /cancel to stop talking to me.\n\n'
		'Are you a boy or a girl?',
		reply_markup=ReplyKeyboardMarkup(reply_keyboard, one_time_keyboard=True))

	#after the message be sent, the bot will change to the "GENDER" state
	return "GENDER"


def gender(bot, update):
	#the message will be one of the options from the start function
	user = update.message.from_user
	print("Gender of {}: {}".format(user.first_name, update.message.text))
	update.message.reply_text('I see! Please send me a photo of yourself, '
							  'so I know what you look like, or send /skip if you don\'t want to.',
							  reply_markup=ReplyKeyboardRemove())

	#now, we change to the "PHOTO" state
	return "PHOTO"


def photo(bot, update):
	#if the user sends a photo, it will be stored on user_photo.jpg
	user = update.message.from_user
	photo_file = bot.get_file(update.message.photo[-1].file_id)
	photo_file.download('user_photo.jpg')
	print("Photo of {}: {}".format(user.first_name, 'user_photo.jpg'))
	update.message.reply_text('Gorgeous! Now, send me your location please, '
							  'or send /skip if you don\'t want to.')

	#now, we change to the "LOCATION" state
	return "LOCATION"


def skip_photo(bot, update):
	#the user may not want to send a photo, so we jump to the next state
	user = update.message.from_user
	print("User {} did not send a photo.".format(user.first_name))
	update.message.reply_text('I bet you look great! Now, send me your location please, '
							  'or send /skip.')

	#now, we change to the "LOCATION" state
	return "LOCATION"


def location(bot, update):
	#if the user sends the location, we print the coordinates
	user = update.message.from_user
	user_location = update.message.location
	print("Location of {}: {} / {}".format(user.first_name, user_location.latitude,
				user_location.longitude))
	update.message.reply_text('Maybe I can visit you sometime! '
							  'At last, tell me something about yourself.')

	#now, we change to the "BIO" state
	return "BIO"


def skip_location(bot, update):
	#the user may not want to send the location, so we jump to the next state
	user = update.message.from_user
	print("User {} did not send a location.".format(user.first_name))
	update.message.reply_text('You seem a bit paranoid! '
							  'At last, tell me something about yourself.')

	#now, we change to the "BIO" state
	return "BIO"


def bio(bot, update):
	#here, the user say some description
	user = update.message.from_user
	print("Bio of {}: {}".format(user.first_name, update.message.text))
	update.message.reply_text('Thank you! I hope we can talk again some day.')

	#and now the conversation ends
	return Conversation.END


def cancel(bot, update):
	#the user can cancel the conversation anytime
	user = update.message.from_user
	print("User {} canceled the conversation.".format(user.first_name))
	update.message.reply_text('Bye! I hope we can talk again some day.',
							  reply_markup=ReplyKeyboardRemove())

	return Conversation.END

#we can create a Conversation object to organize this conversation flow
conversation = Conversation()

#we must add a entry point, that represents the first command/message to start the conversation flow
#OBS: we can have multiple entry points
conversation.add_command_entry_point("start", start)

#for each state, we will define the possible command/messages that can be received
conversation.add_message_to_state("GENDER", gender)

conversation.add_message_to_state("PHOTO", photo, message_filter=Filters.photo)
conversation.add_command_to_state("PHOTO", "skip", skip_photo)

conversation.add_message_to_state("LOCATION", location, message_filter=Filters.location)
conversation.add_command_to_state("LOCATION", "skip", skip_location)

conversation.add_message_to_state("BIO", bio)

#all the functions to stop the conversations are added as a fallback
#OBS: we can have multiple fallbacks
conversation.add_command_to_fallback("cancel", cancel)

#now we add the conversation to the blueprint
blueprint.add_conversation(conversation)

#and add the blueprint to the BotConstructor
bot.add_blueprint(blueprint)

#now, we just need to start the pool
bot.start()
```

Which of the following CWE vulnerability categories are present in this code? Multiple options may be correct.

  A) CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
  B) CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
  C) CWE-614: Sensitive Cookie in HTTPS Session Without 'Secure' Attribute
  D) CWE-312: Cleartext Storage of Sensitive Information
  E) CWE-295: Improper Certificate Validation
  F) CWE-943: Improper Neutralization of Special Elements in Data Query Logic
Answer: D