CVE-2023-51315 in Restaurant Booking System
Summary
by MITRE • 02/20/2025
PHPJabbers Restaurant Booking System v3.0 is vulnerable to Multiple Stored Cross-Site Scripting (XSS) in the "seat_name, plugin_sms_api_key, plugin_sms_country_code, title, name" parameters.
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Analysis
by VulDB Data Team • 03/07/2026
The PHPJabbers Restaurant Booking System version 3.0 presents a significant security vulnerability through multiple stored cross-site scripting flaws that affect critical system parameters including seat_name, plugin_sms_api_key, plugin_sms_country_code, title, and name. This vulnerability falls under the Common Weakness Enumeration category CWE-79 which specifically addresses Cross-Site Scripting flaws where untrusted data is improperly sanitized before being rendered in web pages. The stored nature of this vulnerability means that malicious input injected into these parameters persists within the application's database and can be executed whenever the affected data is retrieved and displayed to users.
The technical implementation of this vulnerability occurs when user-supplied input is directly stored in the system's database without proper sanitization or encoding mechanisms. When administrators or other users view pages containing this stored data, the malicious scripts execute within their browser context, potentially allowing attackers to steal session cookies, perform unauthorized actions, or redirect users to malicious websites. The affected parameters represent different functional areas of the booking system where user input is accepted, making the attack surface particularly broad. The plugin_sms_api_key parameter is especially concerning as it could potentially expose sensitive authentication credentials, while seat_name and title fields may be used to manipulate user interfaces or inject malicious payloads into booking confirmations.
Operationally, this vulnerability creates substantial risk for restaurant operators who rely on the system for customer management and booking coordination. Attackers could exploit these stored XSS vulnerabilities to gain persistent access to administrative interfaces, manipulate booking data, or harvest sensitive user information including personal contact details and booking history. The impact extends beyond simple data theft as attackers could use these vulnerabilities to conduct more sophisticated attacks such as session hijacking, privilege escalation, or even use the system as a launching point for lateral movement within the organization's network infrastructure. The vulnerability is particularly dangerous in environments where the system handles sensitive customer information or where administrative access is not properly segmented.
Mitigation strategies should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application. All user-supplied data must be properly sanitized using appropriate encoding techniques before storage and rendering, with specific attention to the identified parameters. The system should implement Content Security Policy headers to limit script execution and prevent unauthorized code injection. Regular security audits should be conducted to identify and remediate similar vulnerabilities in other input fields. Additionally, implementing proper access controls and monitoring for unusual administrative activities can help detect potential exploitation attempts. Organizations should also consider implementing web application firewalls to provide additional protection layers against XSS attacks. The vulnerability demonstrates the critical importance of following secure coding practices and adhering to OWASP Top Ten security guidelines, particularly those addressing input validation and output encoding. This issue aligns with ATT&CK technique T1566 which covers social engineering through malicious content delivery, and T1071 which addresses application layer protocol usage for command and control communications.