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
# --------------
##File path for the file 
file_path 


#Code starts here
def read_file(path):
    file = open(path,'r')
    sentence=file.readline()
    file.close()
    return sentence
sample_message=read_file(file_path)
print(sample_message)


#Code ends here


# --------------
#Code starts here
file_path_1
file_path_2

def read_file(path):
    file = open(path,'r')
    sentence=file.readline()
    file.close()
    return sentence
message_1=read_file(file_path_1)
message_2=read_file(file_path_2)
print(message_1)
print(message_2)

def fuse_msg(message_a, message_b):
    quotient = int(message_b) // int(message_a)
    return str(quotient)
secret_msg_1 = fuse_msg(message_1,message_2)
print(secret_msg_1)









# --------------
#Code starts here
file_path_3
def read_file(path):
    file = open(path,'r')
    sentence=file.readline()
    file.close()
    return sentence
message_3=read_file(file_path_3)
print(message_3)

def substitute_msg(message_c):
    if message_c == 'Red':
        sub = "Army General"
    elif message_c == 'Green':
        sub = "Data Scientist" 
    elif message_c == "Blue":
        sub = "Marine Biologist"
    return sub
secret_msg_2 = substitute_msg(message_3)
print(secret_msg_2)



# --------------
# File path for message 4  and message 5
file_path_4
file_path_5

#Code starts here
def read_file(path):
    file =open(path,'r')
    sentence=file.readline()
    file.close()
    return sentence
message_4 =read_file(file_path_4)
message_5 =read_file(file_path_5)
print(message_4)
print(message_5)

def compare_msg(message_d,message_e):
    a_list =message_4.split()
    b_list= message_5.split()
    #c_list = list(set(a_list) - set(b_list))
    c_list = [x for x in a_list if x not in b_list]
    final_msg = " ".join(c_list)
    return final_msg
    #print(final_msg)
secret_msg_3 = compare_msg(message_4,message_5)
print(secret_msg_3)









# --------------
#Code starts here
file_path_6
def read_file(path):
    file = open(path,'r')
    sentence=file.readline()
    file.close()
    return sentence
message_6 = read_file(file_path_6)
print(message_6)

def extract_msg(message_f):
    a_list = message_f.split()
    even_world = lambda x: (len(x)%2==0)
    b_list = list(filter(even_world,a_list)) 
    print(b_list) 
    final_msg = " ".join(b_list)
    return final_msg
secret_msg_4 =extract_msg(message_6)
print(secret_msg_4)
    








# --------------
#Secret message parts in the correct order
message_parts=[secret_msg_3, secret_msg_1, secret_msg_4, secret_msg_2]
secret_msg = " ".join(message_parts)
print(secret_msg)

def write_file(secret_msg,path):
    file =open(path,'a+')
    file.close()
    
final_path= user_data_dir + '/secret_message.txt'

#Code starts here




```

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-94: Improper Control of Generation of Code ('Code Injection')
  C) CWE-943: Improper Neutralization of Special Elements in Data Query Logic
  D) CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
  E) CWE-327: Use of a Broken or Risky Cryptographic Algorithm
  F) CWE-312: Cleartext Storage of Sensitive Information
Answer: F