CVE-2026-37343: Vehicle Parking Management System SQLi

CVE-2026-37343 Overview

SourceCodester Vehicle Parking Area Management System v1.0 contains a SQL Injection vulnerability in the file /parking/manage_user.php. This vulnerability allows attackers to inject malicious SQL queries through user-controllable input, potentially leading to unauthorized data access, modification, or deletion of database contents.

Critical Impact

SQL Injection in the user management endpoint could allow attackers to bypass authentication, extract sensitive user data, or compromise the entire database backend of the parking management system.

Affected Products

• SourceCodester Vehicle Parking Area Management System v1.0

Discovery Timeline

• 2026-04-16 - CVE CVE-2026-37343 published to NVD
• 2026-04-16 - Last updated in NVD database

Technical Details for CVE-2026-37343

Vulnerability Analysis

This SQL Injection vulnerability exists in the /parking/manage_user.php file of the Vehicle Parking Area Management System. The application fails to properly sanitize user-supplied input before incorporating it into SQL queries, allowing attackers to manipulate the query structure and execute arbitrary SQL commands against the underlying database.

SQL Injection vulnerabilities in user management endpoints are particularly dangerous as they often provide access to authentication tables containing usernames, passwords, and other sensitive account information. An attacker exploiting this flaw could potentially extract all user credentials, modify user privileges, or manipulate parking records and payment information.

Root Cause

The root cause of this vulnerability is improper input validation and the use of unsanitized user input directly in SQL queries. The manage_user.php script likely constructs SQL statements through string concatenation without implementing prepared statements or parameterized queries. This allows specially crafted input to break out of the intended query context and inject malicious SQL code.

Attack Vector

The attack can be executed by sending crafted HTTP requests to the /parking/manage_user.php endpoint with malicious SQL payloads in vulnerable parameters. An attacker can exploit this remotely without requiring authentication, depending on the application's access controls. Common exploitation techniques include:

• Union-based injection to extract data from other tables
• Boolean-based blind injection to enumerate database contents
• Time-based blind injection when other methods are not viable
• Error-based injection if verbose error messages are displayed

For technical details on this vulnerability, refer to the GitHub SQL Injection Report.

Detection Methods for CVE-2026-37343

Indicators of Compromise

• Unusual or malformed requests to /parking/manage_user.php containing SQL syntax characters such as single quotes, double dashes, or UNION keywords
• Database error messages appearing in web server logs or application responses
• Unexpected database queries or query patterns in database audit logs
• Unauthorized access to user records or bulk data extraction attempts

Detection Strategies

• Implement Web Application Firewall (WAF) rules to detect SQL injection patterns targeting the /parking/manage_user.php endpoint
• Monitor web server access logs for requests containing SQL injection payloads (e.g., ', --, UNION, SELECT, OR 1=1)
• Enable database query logging and alert on anomalous query patterns or syntax errors
• Deploy intrusion detection systems (IDS) with signatures for common SQL injection attack vectors

Monitoring Recommendations

• Configure real-time alerting for any requests to /parking/manage_user.php containing suspicious characters or keywords
• Monitor database server for unusual query execution times that may indicate time-based blind SQL injection attempts
• Track failed login attempts and authentication anomalies that could indicate credential extraction
• Review application logs for unexpected error messages related to SQL syntax

How to Mitigate CVE-2026-37343

Immediate Actions Required

• Restrict access to the /parking/manage_user.php endpoint to trusted IP addresses or authenticated administrators only
• Implement a Web Application Firewall (WAF) with SQL injection protection rules
• Consider taking the affected application offline until a patch is available if it contains sensitive data
• Review database logs for signs of previous exploitation attempts

Patch Information

No official vendor patch has been identified at this time. Organizations should monitor the SourceCodester website and the GitHub SQL Injection Report for updates regarding remediation guidance.

Workarounds

• Apply input validation at the application level to reject requests containing SQL metacharacters
• Implement prepared statements or parameterized queries in the vulnerable PHP file
• Use a WAF to block requests matching SQL injection patterns to the affected endpoint
• Restrict database user permissions to limit the impact of successful exploitation

# Example: Apache mod_rewrite rule to block suspicious requests
# Add to .htaccess or Apache configuration
RewriteEngine On
RewriteCond %{QUERY_STRING} (union|select|insert|drop|delete|update|concat|benchmark|sleep) [NC]
RewriteRule ^parking/manage_user\.php$ - [F,L]