CVE-2025-4023: Placement Management System SQLi Flaw

CVE-2025-4023 Overview

A critical SQL Injection vulnerability has been identified in itsourcecode Placement Management System version 1.0. The vulnerability exists in the /add_company.php file, where improper sanitization of the Name parameter allows attackers to inject malicious SQL commands. This flaw enables remote attackers to manipulate database queries without authentication, potentially leading to unauthorized data access, modification, or deletion.

Critical Impact
Remote attackers can exploit this SQL Injection vulnerability to extract sensitive data, bypass authentication mechanisms, or potentially gain unauthorized access to the underlying database server.

Affected Products

Angeljudesuarez Placement Management System 1.0
itsourcecode Placement Management System 1.0

Discovery Timeline

2025-04-28 - CVE CVE-2025-4023 published to NVD
2025-05-14 - Last updated in NVD database

Technical Details for CVE-2025-4023

Vulnerability Analysis

This SQL Injection vulnerability (CWE-89) arises from improper neutralization of special elements used in SQL commands within the /add_company.php endpoint. The Name parameter accepts user-supplied input that is directly incorporated into SQL queries without adequate sanitization or parameterization. This allows attackers to inject arbitrary SQL syntax that alters the intended query logic.

The vulnerability is classified under both CWE-89 (Improper Neutralization of Special Elements used in an SQL Command) and CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component). The exploit has been publicly disclosed, increasing the risk of active exploitation. Additionally, other parameters within the same file may also be vulnerable to similar injection attacks.

Root Cause

The root cause of this vulnerability is the failure to implement proper input validation and parameterized queries (prepared statements) when handling user input in the Name parameter of /add_company.php. The application directly concatenates user-supplied data into SQL query strings, allowing malicious actors to escape the intended query context and execute arbitrary SQL commands.

Attack Vector

The attack can be initiated remotely over the network without requiring authentication or user interaction. An attacker can craft malicious HTTP requests to the /add_company.php endpoint, embedding SQL injection payloads within the Name parameter. Successful exploitation could allow the attacker to:

Extract sensitive information from the database including user credentials
Modify or delete database records
Bypass authentication controls
Potentially escalate to remote code execution depending on database configuration

The vulnerability affects the company creation functionality, where the Name parameter is processed without proper sanitization. Attackers can leverage boolean-based, time-based, or union-based SQL injection techniques to extract data or manipulate database operations. For detailed technical information, refer to the GitHub CVE Issue Discussion and VulDB #306377.

Detection Methods for CVE-2025-4023

Indicators of Compromise

Unusual or malformed HTTP requests to /add_company.php containing SQL syntax characters such as single quotes ('), double dashes (--), or semicolons (;)
Database error messages appearing in application logs or HTTP responses
Unexpected database queries with UNION, SELECT, or other SQL keywords in web server logs
Abnormal database activity including unauthorized data extraction or modification

Detection Strategies

Implement Web Application Firewall (WAF) rules to detect and block SQL injection patterns targeting the Name parameter
Monitor web server access logs for requests to /add_company.php containing suspicious SQL syntax
Deploy database activity monitoring to detect anomalous query patterns or unauthorized data access
Configure application logging to capture and alert on database errors or SQL exceptions

Monitoring Recommendations

Enable detailed logging for the /add_company.php endpoint and review logs for injection attempts
Set up real-time alerting for WAF-blocked requests indicating SQL injection attempts
Monitor database query logs for unexpected or unauthorized SELECT, UNION, or DELETE operations
Implement intrusion detection signatures for common SQL injection payloads

How to Mitigate CVE-2025-4023

Immediate Actions Required

Remove or restrict access to the Placement Management System until a patch is available or mitigations are implemented
Implement a Web Application Firewall (WAF) with SQL injection prevention rules
Apply input validation to reject SQL metacharacters in the Name parameter
Review and audit all database-connected endpoints for similar vulnerabilities

Patch Information

No official vendor patch is currently available for this vulnerability. Users should monitor the IT Source Code website for security updates. In the absence of an official patch, organizations should implement the workarounds and defensive measures described below.

Workarounds

Implement prepared statements (parameterized queries) for all database interactions in /add_company.php
Deploy a WAF configured to block SQL injection payloads targeting the application
Apply strict input validation to whitelist only alphanumeric characters for the Name parameter
Restrict network access to the application to trusted IP addresses only

bash

# Example Apache mod_security rule to block SQL injection attempts
SecRule ARGS:Name "@rx (?i)(\bunion\b|\bselect\b|\binsert\b|\bupdate\b|\bdelete\b|\bdrop\b|--|;|')" \
    "id:1001,phase:2,deny,status:403,msg:'SQL Injection attempt blocked in Name parameter'"