CVE-2026-19231 in Simple Doctors Appointment System
Summary
by MITRE • 08/07/2026
A security flaw has been discovered in SourceCodester Simple Doctors Appointment System 1.0. This vulnerability affects unknown code of the file /admin/ajax.php?action=delete_appointment. The manipulation of the argument ID results in sql injection. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.
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Analysis
by VulDB Data Team • 08/07/2026
The security vulnerability identified in SourceCodester Simple Doctors Appointment System version 1.0 represents a critical sql injection flaw that resides within the administrative interface of this medical appointment management platform. This vulnerability specifically targets the ajax.php file with the delete_appointment action, where user-supplied input is improperly handled without adequate sanitization or validation mechanisms. The flaw allows malicious actors to manipulate the ID parameter through direct input manipulation, potentially enabling unauthorized access to sensitive patient data and system resources that should remain protected.
This sql injection vulnerability operates by exploiting improper input handling within the application's backend database queries, where user-provided ID values are directly incorporated into sql statements without proper escaping or parameterization. The attack vector is particularly concerning as it enables remote exploitation, meaning attackers can leverage this vulnerability from external networks without requiring physical access to the system infrastructure. According to the attack pattern taxonomy, this represents a classic sql injection attack that falls under the common weakness enumeration category CWE-89, specifically targeting the improper neutralization of special elements used in sql commands.
The operational impact of this vulnerability extends beyond simple data theft, as it could potentially allow attackers to execute arbitrary sql commands against the underlying database system. This capability enables unauthorized users to modify or delete appointment records, access confidential patient information, manipulate user accounts, and potentially escalate privileges within the application's administrative interface. The publicly released exploit demonstrates that this vulnerability is actively being exploited in the wild, making it a pressing concern for organizations using this particular medical appointment management solution.
Organizations utilizing this system should implement immediate mitigations including input validation and parameterized queries to prevent sql injection attacks. The recommended defense-in-depth approach includes implementing web application firewalls, conducting thorough input sanitization, and applying proper database access controls to limit the privileges of application database users. Additionally, regular security assessments and vulnerability scanning should be performed to identify similar flaws throughout the application codebase, as this vulnerability likely represents a broader pattern of insecure coding practices that may exist elsewhere within the system's architecture. The exploitation of such vulnerabilities highlights the critical importance of secure coding practices and proper input validation in healthcare applications where data protection is paramount to patient privacy and regulatory compliance requirements.