SQL Injection Vulnerability in Concert Ticket Reservation System

CVE-2026-5554 details a SQL injection vulnerability affecting code-projects Concert Ticket Reservation System version 1.0. The vulnerability resides within the /ConcertTicketReservationSystem-master/process_search.php file, specifically in how the Parameter Handler component processes search arguments. A remote attacker can manipulate the searching argument to inject arbitrary SQL commands. Publicly available exploits exist, increasing the risk of active exploitation. Successful exploitation allows the attacker to read, modify, or delete sensitive data within the application’s database. This poses a significant threat to the confidentiality, integrity, and availability of the system.

Attack Chain

1. Attacker identifies an instance of Concert Ticket Reservation System 1.0 accessible over the network.
2. Attacker crafts a malicious SQL injection payload targeting the searching parameter in the /ConcertTicketReservationSystem-master/process_search.php file.
3. The attacker sends a crafted HTTP request to the vulnerable endpoint, injecting SQL code into the application’s database query.
4. The application executes the attacker-controlled SQL query against its database.
5. The attacker gains unauthorized access to sensitive data stored in the database, such as user credentials, ticket information, or financial records.
6. The attacker may modify or delete data, disrupting service and potentially causing financial loss.
7. The attacker may use the compromised database to pivot to other systems or escalate privileges within the network.

Impact

Successful exploitation of CVE-2026-5554 can lead to complete database compromise, potentially affecting all users and transactions within the Concert Ticket Reservation System. The number of affected installations is unknown, but any system running version 1.0 is vulnerable. Attackers can steal user credentials, modify ticket prices, disrupt ticket sales, or even shut down the system entirely, resulting in significant financial and reputational damage for the affected organization.

Recommendation

• Apply any available patches or updates from code-projects to address CVE-2026-5554.
• Deploy the Sigma rule Detecting SQL Injection Attempts to detect attempts to exploit the vulnerability via malicious HTTP requests.
• Implement input validation and sanitization on all user-supplied input to prevent SQL injection attacks.
• Monitor web server logs for suspicious activity related to /ConcertTicketReservationSystem-master/process_search.php, as this is the vulnerable endpoint.
• Consider using a web application firewall (WAF) to filter malicious requests targeting the application.