CVE-2026-2088 identifies a SQL injection vulnerability in PHPGurukul Beauty Parlour Management System version 1.1, located in the /admin/accepted-appointment.php script. The vulnerability stems from improper handling of the 'delid' parameter, which is used in SQL queries without adequate sanitization or use of prepared statements. This flaw allows an unauthenticated remote attacker to inject malicious SQL code by manipulating the 'delid' argument, potentially leading to unauthorized data access, modification, or deletion within the backend database. The attack vector requires no user interaction and no privileges, making it highly accessible to attackers scanning for vulnerable installations. The CVSS 4.0 base score is 6.9 (medium severity), reflecting the network attack vector, low complexity, and no required authentication, but limited scope and impact on confidentiality, integrity, and availability (all rated low). While no public exploit code is known to be actively used in the wild, the vulnerability is publicly disclosed, increasing the risk of exploitation. The affected product is a niche PHP-based management system used primarily by beauty parlours to handle appointments and administrative tasks. The lack of official patches or updates at the time of disclosure necessitates immediate mitigation efforts by users. The vulnerability highlights the importance of secure coding practices, particularly input validation and the use of parameterized queries to prevent SQL injection attacks.

For European organizations, especially small and medium-sized enterprises (SMEs) in the beauty and wellness sector using PHPGurukul Beauty Parlour Management System 1.1, this vulnerability poses a significant risk. Exploitation could lead to unauthorized access to customer data, appointment records, and potentially sensitive business information, undermining confidentiality. Data integrity could be compromised by unauthorized modification or deletion of records, disrupting business operations and client trust. Availability impacts may include denial of service through database corruption or manipulation. Given the administrative nature of the affected script, attackers could escalate their foothold within the system, potentially pivoting to other internal resources. The public disclosure without available patches increases the urgency for affected organizations to implement mitigations. Additionally, compromised customer data could lead to regulatory non-compliance under GDPR, resulting in legal and financial penalties. The reputational damage from a breach in the service industry could be substantial, affecting customer retention and business continuity.

1. Immediately restrict access to the /admin/accepted-appointment.php endpoint using network-level controls such as IP whitelisting or VPN access to limit exposure. 2. Implement input validation and sanitization on the 'delid' parameter to ensure only expected numeric or predefined values are accepted. 3. Refactor the application code to use parameterized queries or prepared statements to eliminate SQL injection risks. 4. Monitor web server and application logs for suspicious requests targeting the 'delid' parameter or unusual database errors. 5. If possible, isolate the affected system from critical internal networks until a secure patch or update is available. 6. Conduct a thorough audit of database integrity and access logs to detect any prior exploitation attempts. 7. Educate administrative users on the risks and encourage strong authentication mechanisms, even though the vulnerability does not require authentication. 8. Engage with the vendor or community to obtain or develop patches and apply them promptly once available. 9. Consider deploying Web Application Firewalls (WAFs) with custom rules to detect and block SQL injection attempts targeting this parameter. 10. Regularly back up the database and test restoration procedures to minimize impact from potential data corruption.