CVE-2025-4869: Restaurant Management System SQLi Flaw

CVE-2025-4869 Overview

A critical SQL injection vulnerability has been identified in itsourcecode Restaurant Management System version 1.0. The vulnerability exists in the /admin/member_update.php file, where improper handling of the menu parameter allows attackers to inject malicious SQL commands. This flaw enables remote attackers to manipulate database queries without authentication, potentially compromising the entire database backend of the restaurant management application.

Critical Impact

Remote attackers can exploit this SQL injection vulnerability to extract sensitive data, modify database contents, or potentially gain unauthorized access to the underlying system through the exposed /admin/member_update.php endpoint.

Affected Products

• itsourcecode Restaurant Management System 1.0
• Adonesevangelista Restaurant Management System 1.0

Discovery Timeline

• 2025-05-18 - CVE-2025-4869 published to NVD
• 2025-05-28 - Last updated in NVD database

Technical Details for CVE-2025-4869

Vulnerability Analysis

This SQL injection vulnerability (CWE-89) stems from insufficient input validation in the Restaurant Management System's administrative interface. The /admin/member_update.php endpoint accepts user-controlled input through the menu parameter without proper sanitization or parameterized queries. When malicious SQL syntax is injected into this parameter, it gets incorporated directly into database queries, allowing attackers to manipulate the query logic.

The vulnerability is classified under both CWE-89 (SQL Injection) and CWE-74 (Injection), indicating that the application fails to neutralize special elements used in SQL commands. The exploit has been publicly disclosed, increasing the risk of active exploitation in the wild.

Root Cause

The root cause of this vulnerability is the lack of input sanitization and the use of dynamic SQL query construction in the /admin/member_update.php file. The menu parameter is directly concatenated into SQL statements without proper escaping, prepared statements, or parameterized queries. This classic SQL injection pattern allows user input to break out of the intended data context and execute arbitrary SQL commands.

Attack Vector

The attack can be initiated remotely over the network without requiring authentication. An attacker can craft malicious HTTP requests to the /admin/member_update.php endpoint, injecting SQL payloads through the menu parameter. The vulnerability allows for data extraction, modification, and potentially complete database compromise.

The attack flow typically involves:

1. Identifying the vulnerable endpoint at /admin/member_update.php
2. Crafting SQL injection payloads in the menu parameter
3. Sending malicious requests to extract database schema information
4. Escalating the attack to dump sensitive data or modify records

For detailed technical information, refer to the GitHub CVE Issue Discussion and VulDB #309411.

Detection Methods for CVE-2025-4869

Indicators of Compromise

• Unusual SQL syntax patterns in web server logs targeting /admin/member_update.php
• Requests containing SQL keywords such as UNION, SELECT, DROP, or -- in the menu parameter
• Unexpected database query errors or timeouts indicating injection attempts
• Anomalous data access patterns or bulk data extraction from the database

Detection Strategies

• Deploy Web Application Firewall (WAF) rules to detect and block SQL injection patterns in HTTP requests
• Implement application-level logging for all requests to /admin/member_update.php
• Monitor database query logs for anomalous or malformed SQL statements
• Configure intrusion detection systems (IDS) to alert on SQL injection signatures

Monitoring Recommendations

• Enable verbose logging on the web server for administrative endpoints
• Set up real-time alerts for requests containing common SQL injection payloads
• Monitor database performance metrics for unusual query patterns or execution times
• Review access logs regularly for repeated requests to the vulnerable endpoint

How to Mitigate CVE-2025-4869

Immediate Actions Required

• Restrict access to the /admin/member_update.php endpoint via IP whitelisting or additional authentication
• Deploy a Web Application Firewall (WAF) with SQL injection protection rules
• Consider taking the application offline if patching is not immediately available
• Review database logs for evidence of prior exploitation attempts

Patch Information

No official patch information has been provided by the vendor. Users of itsourcecode Restaurant Management System 1.0 should monitor the Itsourcecode Security Resource for updates. Given that this is an open-source project, organizations should consider implementing their own fixes or migrating to a more secure alternative.

Workarounds

• Implement parameterized queries or prepared statements for all database operations in /admin/member_update.php
• Add input validation to sanitize the menu parameter, rejecting SQL special characters
• Apply the principle of least privilege to database accounts used by the application
• Deploy network-level controls to limit access to administrative endpoints

# Example Apache .htaccess restriction for admin directory
<Directory "/var/www/html/admin">
    Order Deny,Allow
    Deny from all
    Allow from 192.168.1.0/24
    Require all denied
</Directory>