CVE-2025-11402 Overview
A SQL Injection vulnerability has been identified in SourceCodester Hotel and Lodge Management System version 1.0. The vulnerability exists in the /del_curr.php file, where improper handling of the ID parameter allows attackers to inject malicious SQL queries. This flaw can be exploited remotely by authenticated users to manipulate database queries, potentially leading to unauthorized data access, modification, or deletion.
Critical Impact
Remote attackers with low privileges can exploit this SQL injection vulnerability to access, modify, or delete sensitive hotel and guest management data stored in the backend database.
Affected Products
- SourceCodester Hotel and Lodge Management System 1.0
- Nikhil-bhalerao Hotel and Lodge Management System
Discovery Timeline
- 2025-10-07 - CVE-2025-11402 published to NVD
- 2025-10-09 - Last updated in NVD database
Technical Details for CVE-2025-11402
Vulnerability Analysis
This vulnerability is classified as SQL Injection (CWE-89) and falls under the broader category of Injection vulnerabilities (CWE-74). The affected endpoint /del_curr.php accepts user-supplied input through the ID parameter without proper sanitization or parameterized queries. When this input is directly concatenated into SQL statements, it allows attackers to break out of the intended query context and execute arbitrary SQL commands.
The network-accessible nature of this vulnerability means that any authenticated user with access to the application can craft malicious requests to exploit this flaw. The impact includes potential compromise of confidentiality, integrity, and availability of the database contents, though each impact is limited in scope.
Root Cause
The root cause of this vulnerability is insufficient input validation and the use of unsanitized user input in SQL query construction. The ID parameter passed to /del_curr.php is directly incorporated into database queries without proper escaping, prepared statements, or parameterized queries. This classic SQL injection pattern allows attackers to inject arbitrary SQL syntax that gets executed by the database engine.
Attack Vector
The attack is executed remotely over the network. An attacker with low-level privileges can send specially crafted HTTP requests to the /del_curr.php endpoint with malicious SQL payloads in the ID parameter. The vulnerability requires no user interaction and can be exploited with minimal complexity.
Typical exploitation involves appending SQL operators and commands to the ID parameter value. For example, an attacker might inject ' OR '1'='1 style payloads to bypass conditions, UNION SELECT statements to extract data from other tables, or time-based blind injection techniques using functions like SLEEP() to enumerate database contents when direct output is not visible.
For detailed technical information and proof-of-concept details, refer to the GitHub Issue Discussion and the VulDB entry.
Detection Methods for CVE-2025-11402
Indicators of Compromise
- Unusual HTTP requests to /del_curr.php containing SQL syntax characters such as single quotes, semicolons, or SQL keywords in the ID parameter
- Database error messages appearing in application logs or HTTP responses indicating malformed SQL queries
- Unexpected database query patterns including UNION, SELECT, DROP, or INSERT operations originating from the web application
Detection Strategies
- Implement Web Application Firewall (WAF) rules to detect and block SQL injection patterns in the ID parameter of requests to /del_curr.php
- Enable detailed database query logging and monitor for anomalous query structures or error conditions
- Deploy application-layer intrusion detection systems configured with SQL injection signature rules
- Review web server access logs for requests containing URL-encoded SQL special characters targeting the vulnerable endpoint
Monitoring Recommendations
- Configure real-time alerting for database errors associated with the Hotel and Lodge Management System application
- Monitor for unusual data access patterns or bulk data extraction that could indicate successful SQL injection exploitation
- Implement database activity monitoring to detect unauthorized SELECT statements against sensitive tables
- Review application logs for repeated failed requests to /del_curr.php which may indicate reconnaissance or exploitation attempts
How to Mitigate CVE-2025-11402
Immediate Actions Required
- Restrict access to the Hotel and Lodge Management System to trusted networks only using firewall rules or VPN requirements
- Implement a Web Application Firewall (WAF) with SQL injection protection rules in front of the application
- Disable or remove the /del_curr.php file if the delete functionality is not critical to operations
- Review and audit all user accounts with access to the application, removing unnecessary privileges
Patch Information
As of the last update on 2025-10-09, no official vendor patch has been released for this vulnerability. The application is developed by SourceCodester and users should monitor the SourceCodester website for security updates. Given the open-source nature of the application, organizations may need to implement their own fixes by modifying the vulnerable code to use parameterized queries.
For additional vulnerability intelligence and updates, refer to the VulDB CTI entry.
Workarounds
- Replace direct SQL query concatenation in /del_curr.php with prepared statements using PDO or MySQLi parameterized queries
- Implement strict input validation on the ID parameter to accept only numeric values using functions like intval() or filter_var() with FILTER_VALIDATE_INT
- Deploy a reverse proxy with ModSecurity or similar WAF capabilities configured with OWASP Core Rule Set (CRS) for SQL injection protection
- Consider migrating to a more actively maintained hotel management solution if patching is not feasible
# Example: Restrict access to vulnerable endpoint using Apache .htaccess
# Add to .htaccess in the application root directory
<Files "del_curr.php">
Order Deny,Allow
Deny from all
Allow from 192.168.1.0/24
</Files>
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
