CVE-2026-3152: College Management System SQLi Vulnerability

CVE-2026-3152 Overview

A SQL injection vulnerability has been discovered in itsourcecode College Management System version 1.0. This security flaw affects the /admin/teacher-salary.php file, where improper handling of the teacher_id parameter allows attackers to inject malicious SQL commands. The vulnerability can be exploited remotely without authentication, potentially compromising the confidentiality, integrity, and availability of the application's database.

Critical Impact

Remote attackers can exploit this SQL injection vulnerability to extract sensitive data, modify database records, or potentially gain unauthorized access to the underlying system through the teacher salary management functionality.

Affected Products

• itsourcecode College Management System 1.0
• angeljudesuarez college_management_system

Discovery Timeline

• February 25, 2026 - CVE-2026-3152 published to NVD
• February 25, 2026 - Last updated in NVD database

Technical Details for CVE-2026-3152

Vulnerability Analysis

This vulnerability is a classic SQL injection (CWE-89) that falls under the broader category of injection flaws (CWE-74). The vulnerable endpoint /admin/teacher-salary.php fails to properly sanitize or parameterize the teacher_id argument before incorporating it into SQL queries. This allows an attacker to manipulate the query structure by injecting arbitrary SQL code through crafted input values.

The network-accessible nature of this vulnerability means attackers can exploit it remotely without requiring any authentication or user interaction. The attack complexity is low, making it trivial for even unsophisticated attackers to exploit once identified.

Root Cause

The root cause of this vulnerability is improper input validation and the lack of parameterized queries in the teacher salary management functionality. The application directly concatenates user-supplied input from the teacher_id parameter into SQL statements without proper sanitization, escaping, or use of prepared statements. This is a fundamental secure coding violation that enables injection attacks.

Attack Vector

The attack can be initiated remotely over the network by sending specially crafted HTTP requests to the /admin/teacher-salary.php endpoint. An attacker would manipulate the teacher_id parameter to inject SQL syntax that alters the intended query logic. Common exploitation techniques include:

• Using UNION-based injection to extract data from other database tables
• Boolean-based blind injection to enumerate database contents
• Time-based blind injection when direct data retrieval is not possible
• Stacked queries (if supported) to execute administrative SQL commands

The vulnerability has been publicly disclosed with exploit information available, as noted in the GitHub Issue Discussion and documented in VulDB.

Detection Methods for CVE-2026-3152

Indicators of Compromise

• Unusual or malformed requests to /admin/teacher-salary.php containing SQL syntax characters such as single quotes, double dashes, UNION statements, or semicolons in the teacher_id parameter
• Database error messages appearing in HTTP responses indicating SQL syntax errors
• Unexpected database query patterns or slow query logs showing injection attempts
• Evidence of data exfiltration or unauthorized database modifications in audit logs

Detection Strategies

• Deploy Web Application Firewall (WAF) rules to detect and block SQL injection patterns targeting the teacher_id parameter
• Implement application-level logging for all requests to /admin/teacher-salary.php with parameter value inspection
• Configure database query monitoring to alert on anomalous query structures or execution patterns
• Use intrusion detection systems (IDS) with SQL injection signature detection capabilities

Monitoring Recommendations

• Enable verbose logging on the web server for requests to administrative endpoints, particularly /admin/teacher-salary.php
• Monitor database connection logs for unusual query patterns, excessive queries, or queries from unexpected sources
• Implement real-time alerting for authentication failures and suspicious parameter values in admin panel requests
• Review application access logs regularly for reconnaissance patterns targeting known vulnerable endpoints

How to Mitigate CVE-2026-3152

Immediate Actions Required

• Restrict network access to the /admin/teacher-salary.php endpoint using firewall rules or access control lists
• Implement input validation on the teacher_id parameter to accept only numeric values
• Deploy a Web Application Firewall with SQL injection protection enabled for the affected application
• Consider taking the College Management System offline until a proper fix can be implemented

Patch Information

As of the last update on February 25, 2026, no official patch has been released by the vendor for this vulnerability. Organizations using itsourcecode College Management System 1.0 should monitor the itsourcecode website for security updates and patch releases. In the absence of an official patch, implementing the workarounds below is strongly recommended.

Workarounds

• Modify the source code to use parameterized queries (prepared statements) for all database interactions involving the teacher_id parameter
• Implement strict input validation to ensure the teacher_id parameter contains only expected numeric values
• Apply the principle of least privilege to database accounts used by the application
• Restrict access to the admin panel using IP whitelisting or VPN requirements
• Consider deploying a reverse proxy with SQL injection filtering capabilities in front of the application

# Example: Restrict access to admin endpoints using Apache .htaccess
# Place in /admin/.htaccess to limit access by IP

<Files "teacher-salary.php">
    Order Deny,Allow
    Deny from all
    # Allow only trusted IP addresses
    Allow from 192.168.1.0/24
    Allow from 10.0.0.0/8
</Files>