CVE-2026-26883 in Simple Online Mens Salon Management System
Summary
by MITRE • 03/03/2026
Sourcecodester Online Men's Salon Management System v1.0 is vulnerable to SQL Injection in /msms/classes/Master.php?f=delete_appointment.
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Analysis
by VulDB Data Team • 03/04/2026
The vulnerability CVE-2026-26883 affects the Sourcecodester Online Men's Salon Management System version 1.0, specifically targeting the /msms/classes/Master.php endpoint with the delete_appointment function. This represents a critical security flaw that allows unauthorized users to execute arbitrary SQL commands against the underlying database. The vulnerability manifests when user input is directly incorporated into SQL query construction without proper sanitization or parameterization, creating an avenue for malicious actors to manipulate database operations.
The technical implementation flaw stems from improper input validation within the Master.php file where the delete_appointment functionality processes user-supplied parameters. This vulnerability falls under CWE-89 which categorizes SQL injection as a weakness where untrusted data is embedded into SQL commands without adequate escaping or parameterization. The attack vector occurs when an attacker crafts malicious input that gets concatenated directly into the SQL query string, potentially allowing complete database compromise including data exfiltration, modification, or deletion. The vulnerability operates at the application layer and requires minimal privileges to exploit, making it particularly dangerous for systems handling sensitive customer information.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with the capability to manipulate the salon management system's core functionality. An attacker could potentially delete appointment records, modify customer data, or even escalate privileges within the system. Given that this is a salon management system, the affected data likely includes personal customer information, appointment schedules, payment details, and service records, all of which represent sensitive data under various privacy regulations. The vulnerability could also enable attackers to gain insights into business operations, customer behavior patterns, and potentially disrupt service availability through data corruption or deletion.
Mitigation strategies should focus on implementing proper input validation and parameterized queries to prevent SQL injection attacks. The recommended approach involves using prepared statements with parameterized queries throughout the application codebase, particularly in the Master.php file where the vulnerability exists. Additionally, implementing proper access controls and input sanitization measures will significantly reduce the attack surface. Security measures should include regular code reviews to identify similar patterns, implementing web application firewalls, and establishing proper database user permissions to limit potential damage from successful attacks. The system should also be updated to the latest version if available, as this vulnerability likely represents a known issue that has been addressed in newer releases. Organizations should consider implementing the principle of least privilege for database connections and regularly audit their database access logs to detect potential exploitation attempts.