CVE-2026-0575 identifies a SQL injection vulnerability in the Online Product Reservation System version 1.0 developed by code-projects. The vulnerability exists in the Administrator Login component, specifically within the /handgunner-administrator/adminlogin.php file. Attackers can exploit improper sanitization of the 'emailadd' and 'pass' input parameters to inject malicious SQL commands. This injection flaw allows remote, unauthenticated attackers to manipulate backend SQL queries, potentially leading to unauthorized data access, data modification, or denial of service conditions. The vulnerability is exploitable without any user interaction or privileges, increasing its risk profile. The CVSS 4.0 vector indicates network attack vector (AV:N), low attack complexity (AC:L), no privileges required (PR:N), no user interaction (UI:N), and impacts on confidentiality, integrity, and availability at low to limited levels (VC:L, VI:L, VA:L). Although no public exploit code is currently known in the wild, the public disclosure of the vulnerability increases the likelihood of exploitation attempts. The lack of vendor patches at the time of disclosure necessitates immediate defensive actions. The vulnerability affects only version 1.0 of the product, which may limit exposure depending on the deployment footprint. The Online Product Reservation System is typically used in e-commerce and retail environments, where database integrity and confidentiality are critical. Exploitation could lead to unauthorized access to administrative functions, customer data leakage, or disruption of reservation services. The vulnerability underscores the importance of secure coding practices, particularly input validation and use of parameterized queries in authentication modules.

For European organizations, exploitation of CVE-2026-0575 could result in unauthorized access to sensitive administrative credentials and customer data stored within the Online Product Reservation System. This could lead to data breaches involving personal and payment information, violating GDPR and other data protection regulations, resulting in legal and financial penalties. The integrity of reservation data could be compromised, causing operational disruptions and loss of customer trust. Availability impacts could arise if attackers execute denial-of-service conditions via crafted SQL queries. Retailers and service providers relying on this system may face direct financial losses and reputational damage. Given the remote, unauthenticated nature of the exploit, attackers could target multiple organizations across Europe, amplifying the threat. The medium severity rating reflects the balance between ease of exploitation and limited scope of impact, but the potential regulatory consequences in Europe elevate the importance of timely mitigation.

1. Immediately conduct an inventory to identify any deployments of code-projects Online Product Reservation System version 1.0 within the organization. 2. Monitor vendor communications for official patches or updates addressing CVE-2026-0575 and apply them promptly upon release. 3. In the absence of patches, implement Web Application Firewall (WAF) rules specifically designed to detect and block SQL injection attempts targeting the 'emailadd' and 'pass' parameters in the /handgunner-administrator/adminlogin.php endpoint. 4. Conduct code reviews and refactor the authentication module to use parameterized queries or prepared statements, eliminating direct concatenation of user inputs into SQL commands. 5. Enforce strict input validation and sanitization on all user-supplied data, particularly login credentials. 6. Restrict access to the administrator login interface by IP whitelisting or VPN access where feasible to reduce exposure. 7. Enable detailed logging and monitoring of login attempts and database errors to detect potential exploitation attempts early. 8. Educate development and security teams on secure coding practices to prevent similar vulnerabilities in future releases. 9. Perform penetration testing focused on injection flaws to validate the effectiveness of mitigations. 10. Review and update incident response plans to include scenarios involving SQL injection attacks on critical web applications.