CVE-2025-9837: Student Information Management SQLI Flaw

CVE-2025-9837 Overview

A SQL Injection vulnerability has been identified in itsourcecode Student Information Management System 1.0. This vulnerability affects the file /admin/modules/student/index.php where manipulation of the studentId argument allows for SQL injection attacks. The vulnerability can be exploited remotely without authentication, potentially allowing attackers to extract, modify, or delete sensitive student data from the database. The exploit has been publicly disclosed and may be actively utilized.

Critical Impact
Unauthenticated remote attackers can exploit this SQL injection vulnerability to access, modify, or delete sensitive student information stored in the database, potentially compromising the entire student management system.

Affected Products

itsourcecode Student Information Management System 1.0

Discovery Timeline

September 2, 2025 - CVE CVE-2025-9837 published to NVD
September 5, 2025 - Last updated in NVD database

Technical Details for CVE-2025-9837

Vulnerability Analysis

This vulnerability is classified as SQL Injection (CWE-89) and more broadly as an Injection vulnerability (CWE-74). The flaw exists in the student management module where user-supplied input through the studentId parameter is not properly sanitized before being incorporated into SQL queries. This allows an attacker to inject malicious SQL statements that are then executed by the database server.

The vulnerability is accessible over the network without any prior authentication or user interaction required. An attacker exploiting this flaw could potentially retrieve sensitive student records, modify existing data, delete database contents, or in some cases escalate to broader system compromise depending on database permissions and server configuration.

Root Cause

The root cause of this vulnerability is improper input validation and failure to use parameterized queries or prepared statements in the /admin/modules/student/index.php file. When processing the studentId parameter, the application directly concatenates user input into SQL query strings without proper sanitization or escaping. This allows specially crafted input containing SQL syntax to alter the intended query logic.

Attack Vector

The attack can be initiated remotely via the network. An attacker sends a malicious HTTP request to the vulnerable endpoint /admin/modules/student/index.php with a crafted studentId parameter containing SQL injection payloads. Since no authentication is required and the attack complexity is low, exploitation is straightforward. The attacker can use techniques such as UNION-based injection, error-based injection, or blind SQL injection to extract database contents or manipulate data.

Technical details and proof-of-concept information have been documented in the GitHub Issue Discussion. Additional vulnerability tracking is available through VulDB #322184.

Detection Methods for CVE-2025-9837

Indicators of Compromise

Unusual database queries in application logs containing SQL keywords like UNION, SELECT, DROP, or comment sequences (--, /*)
Requests to /admin/modules/student/index.php with abnormally long or malformed studentId parameter values
Database error messages appearing in HTTP responses indicating query syntax errors
Unexpected database access patterns or bulk data extraction attempts

Detection Strategies

Implement Web Application Firewall (WAF) rules to detect and block common SQL injection patterns in the studentId parameter
Configure database query logging and alerting for suspicious SQL statements containing injection indicators
Deploy intrusion detection system (IDS) signatures for SQL injection attack patterns targeting PHP applications
Monitor application logs for repeated requests to the vulnerable endpoint with varying payloads

Monitoring Recommendations

Enable verbose logging on the database server to capture all queries executed against student tables
Set up real-time alerting for database errors that may indicate SQL injection attempts
Implement rate limiting on the /admin/modules/student/ endpoint to slow brute-force exploitation attempts
Review access logs regularly for reconnaissance patterns targeting the admin modules

How to Mitigate CVE-2025-9837

Immediate Actions Required

Restrict access to the /admin/modules/student/index.php endpoint through network controls or authentication enforcement
Implement input validation to allow only numeric values for the studentId parameter
Deploy a Web Application Firewall (WAF) with SQL injection protection rules as an immediate mitigation layer
Consider taking the vulnerable application offline until a proper fix can be implemented

Patch Information

No official vendor patch has been released for this vulnerability at this time. Organizations using itsourcecode Student Information Management System 1.0 should implement the recommended workarounds and monitor the Itsourcecode Blog for security updates. Given the lack of vendor response, affected organizations should consider migrating to an actively maintained student management solution.

Workarounds

Modify the source code to use parameterized queries or prepared statements for all database interactions involving the studentId parameter
Implement strict input validation allowing only integer values for student identifiers
Add a Web Application Firewall (WAF) in front of the application to filter malicious SQL injection payloads
Restrict network access to the admin interface using IP whitelisting or VPN requirements

bash

# Example: Apache .htaccess restriction for admin directory
# Place in /admin/.htaccess to restrict access by IP
<Directory "/admin/modules/student">
    Require ip 192.168.1.0/24
    Require ip 10.0.0.0/8
</Directory>