CVE-2025-8952: Flight Booking System SQLi Vulnerability

CVE-2025-8952 Overview

A SQL injection vulnerability has been identified in Campcodes Online Flight Booking Management System version 1.0. This vulnerability exists in the login functionality at /admin/ajax.php?action=login, where improper sanitization of the Username parameter allows attackers to inject malicious SQL queries. The vulnerability can be exploited remotely without authentication, potentially enabling unauthorized access to the application's database and administrative functions.

Critical Impact

Unauthenticated attackers can exploit this SQL injection vulnerability to bypass authentication, extract sensitive data from the database, or potentially modify database contents through the login endpoint.

Affected Products

• Campcodes Online Flight Booking Management System 1.0

Discovery Timeline

• August 14, 2025 - CVE-2025-8952 published to NVD
• August 14, 2025 - Last updated in NVD database

Technical Details for CVE-2025-8952

Vulnerability Analysis

This SQL injection vulnerability (CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component) affects the authentication mechanism of the Online Flight Booking Management System. The vulnerable endpoint /admin/ajax.php?action=login fails to properly validate and sanitize user-supplied input in the Username parameter before incorporating it into SQL queries.

When a user attempts to authenticate, the application constructs a SQL query using the provided username directly, without employing parameterized queries or adequate input sanitization. This allows an attacker to craft malicious input that alters the intended SQL logic, potentially bypassing authentication checks or extracting data from the underlying database.

The network-accessible nature of this vulnerability means that any attacker with network access to the application can attempt exploitation without requiring prior authentication or user interaction.

Root Cause

The root cause of this vulnerability is improper input validation in the login handler. The application directly concatenates user-supplied Username parameter values into SQL queries without using prepared statements or parameterized queries. This classic SQL injection pattern occurs when developers trust user input and fail to implement proper input sanitization or database query abstraction layers.

Attack Vector

The attack can be launched remotely over the network against the /admin/ajax.php?action=login endpoint. An attacker submits a crafted Username value containing SQL metacharacters and injection payloads. The malicious input is processed by the server and executed as part of the SQL query against the backend database.

Typical exploitation scenarios include:

1. Authentication Bypass: Injecting SQL logic to always evaluate as true, bypassing password verification
2. Data Exfiltration: Using UNION-based or error-based techniques to extract database contents including user credentials and booking information
3. Database Manipulation: Potential INSERT, UPDATE, or DELETE operations depending on database permissions

Technical details and proof-of-concept information are available at Yuque Vulnerability Details & PoC. Additional vulnerability information is documented at VulDB #319921.

Detection Methods for CVE-2025-8952

Indicators of Compromise

• HTTP POST requests to /admin/ajax.php?action=login containing SQL metacharacters such as single quotes ('), double dashes (--), or OR 1=1 patterns in the Username field
• Unusual database query patterns or errors in application logs related to authentication attempts
• Multiple failed or successful login attempts from unusual IP addresses targeting the admin login endpoint
• Database audit logs showing unexpected queries or data access patterns during authentication events

Detection Strategies

• Implement Web Application Firewall (WAF) rules to detect and block common SQL injection patterns in POST parameters
• Monitor HTTP traffic for suspicious payloads in the Username parameter targeting /admin/ajax.php
• Configure database query logging to identify malformed or unauthorized SQL statements
• Deploy intrusion detection systems (IDS) with signatures for SQL injection attack patterns

Monitoring Recommendations

• Enable detailed logging for all authentication attempts including full request parameters
• Set up alerts for authentication anomalies such as successful logins following multiple failures
• Monitor database connection logs for unusual query volumes or error rates
• Review web server access logs regularly for patterns indicative of automated injection attacks

How to Mitigate CVE-2025-8952

Immediate Actions Required

• Restrict network access to the /admin/ajax.php endpoint to trusted IP addresses only
• Implement input validation at the application or WAF level to block SQL injection patterns
• Consider taking the administrative interface offline until a patch is applied
• Review database access logs for signs of prior exploitation and assess data integrity

Patch Information

No official patch information is currently available from the vendor. Organizations using Campcodes Online Flight Booking Management System 1.0 should contact the vendor directly through the CampCodes Resource Hub for remediation guidance and check for updated versions of the software.

Workarounds

• Deploy a Web Application Firewall (WAF) with SQL injection detection rules to filter malicious requests
• Implement IP-based access controls to limit who can reach the administrative login page
• Use a reverse proxy to inspect and sanitize incoming requests to the vulnerable endpoint
• If source code access is available, modify the login handler to use prepared statements with parameterized queries

# Example: Block access to admin endpoint using Apache .htaccess
<Location /admin/ajax.php>
    Order Deny,Allow
    Deny from all
    Allow from 10.0.0.0/8
    Allow from 192.168.0.0/16
</Location>