CVE-2023-2824 in Dental Clinic Appointment Reservation System
Summary
by MITRE • 05/20/2023
A vulnerability was found in SourceCodester Dental Clinic Appointment Reservation System 1.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the file /admin/service.php of the component POST Parameter Handler. The manipulation of the argument service leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-229598 is the identifier assigned to this vulnerability.
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Analysis
by VulDB Data Team • 06/15/2023
The vulnerability identified as CVE-2023-2824 represents a critical cross site scripting flaw within the SourceCodester Dental Clinic Appointment Reservation System version 1.0. This security weakness resides in the administrative interface component, specifically within the POST parameter handler located in the /admin/service.php file. The vulnerability manifests when an attacker manipulates the service parameter, creating a pathway for malicious script execution that can compromise user sessions and data integrity. The affected system operates under a web-based architecture that processes user inputs through HTTP POST requests, making it susceptible to client-side attack vectors that can persist across user sessions and potentially escalate to more severe security incidents.
The technical exploitation of this vulnerability follows a classic XSS attack pattern where the service parameter in the POST request is not properly sanitized or validated before being processed and rendered back to users. This allows an attacker to inject malicious JavaScript code that executes in the context of other users' browsers who access the affected administrative interface. The vulnerability's remote exploitability means that attackers can leverage this flaw from outside the local network without requiring physical access or privileged credentials. The attack surface is particularly concerning as it targets the administrative component of the system, potentially allowing unauthorized users to gain elevated privileges or access sensitive patient data. According to CWE-79, this vulnerability maps directly to Cross Site Scripting, which is categorized as a critical weakness in web application security frameworks.
The operational impact of this vulnerability extends beyond simple script injection, as it can enable attackers to perform session hijacking, steal sensitive patient information, manipulate administrative functions, and potentially establish persistent backdoors within the system. The disclosure of the exploit through VDB-229598 indicates that threat actors have already developed working attack vectors, making this vulnerability particularly dangerous for organizations running the affected system. The administrative interface being compromised creates a pathway for attackers to modify appointment schedules, access confidential patient records, and potentially alter system configurations. This type of vulnerability directly violates the principle of least privilege and can result in significant regulatory compliance violations under healthcare data protection frameworks such as HIPAA, as unauthorized access to patient information constitutes serious security breaches.
Mitigation strategies for CVE-2023-2824 should prioritize immediate patch deployment from the software vendor, as this represents a known vulnerability with public exploit availability. Organizations should implement comprehensive input validation and output encoding mechanisms that sanitize all user-supplied data before processing and rendering. The implementation of Content Security Policy headers and proper HTTP response headers can provide additional defense layers against XSS exploitation. Network segmentation and access controls should be strengthened to limit administrative interface access to authorized personnel only. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other system components. The ATT&CK framework categorizes this vulnerability under T1213 (Data from Information Repositories) and T1566 (Phishing), highlighting the potential for both credential theft and social engineering exploitation. Organizations should also consider implementing Web Application Firewalls and intrusion detection systems to monitor for exploitation attempts and provide additional protection layers against similar vulnerabilities in the attack surface.