CVE-2023-51308 in Car Park Booking System
Summary
by MITRE • 02/20/2025
PHPJabbers Car Park Booking System v3.0 is vulnerable to Multiple HTML Injection in the "name, plugin_sms_api_key, plugin_sms_country_code, title, plugin_sms_api_key, title" parameters.
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Analysis
by VulDB Data Team • 03/07/2026
The PHPJabbers Car Park Booking System version 3.0 presents a significant security vulnerability categorized as multiple HTML injection flaws affecting several critical parameters including name, plugin_sms_api_key, plugin_sms_country_code, and title. This vulnerability stems from inadequate input validation and sanitization mechanisms within the application's parameter handling processes. The flaw allows attackers to inject malicious HTML content into these parameters, potentially enabling cross-site scripting attacks and other malicious activities that could compromise the system's integrity and user data.
The technical implementation of this vulnerability occurs when user-supplied input is directly incorporated into HTML output without proper sanitization or encoding measures. When administrators or users interact with the system's configuration interfaces or booking forms, the application fails to properly escape or validate the data entered into these specific parameters. This creates an environment where attackers can manipulate the application's behavior by injecting HTML tags, scripts, or other malicious content that gets executed in the context of other users' browsers. The vulnerability specifically affects the plugin_sms_api_key and plugin_sms_country_code parameters, which suggests that the system's SMS integration functionality is particularly exposed to this attack vector.
The operational impact of this vulnerability extends beyond simple cross-site scripting attacks and could enable more sophisticated exploitation techniques. An attacker who successfully exploits this vulnerability could potentially redirect users to malicious websites, steal session cookies, or perform actions on behalf of authenticated users. The inclusion of the title parameter in the affected list indicates that the vulnerability may also impact the application's user interface elements, potentially allowing for more widespread disruption of the system's normal operations. This type of vulnerability directly violates security principles outlined in the CWE-79 category for Cross-site Scripting, which specifically addresses the improper handling of untrusted data in web applications.
Organizations utilizing this booking system face significant risks including potential data breaches, unauthorized access to sensitive information, and disruption of normal business operations. The vulnerability's presence in multiple parameters suggests a systemic issue in the application's data handling architecture rather than isolated incidents. Security professionals should consider implementing input validation controls, output encoding measures, and regular security assessments to address this weakness. The ATT&CK framework's T1566 technique for Phishing and T1203 for Exploitation for Client Execution directly relates to the exploitation methods that could leverage this vulnerability, emphasizing the need for comprehensive defensive measures.
Mitigation strategies should include immediate implementation of proper input sanitization and output encoding mechanisms throughout the application's codebase. The system should enforce strict validation rules for all parameters and ensure that any user-supplied data is properly escaped before being rendered in HTML contexts. Regular security updates and code reviews are essential to prevent similar vulnerabilities from emerging in future versions. Organizations should also implement web application firewalls and monitor for suspicious activities that could indicate exploitation attempts. The vulnerability highlights the importance of following secure coding practices and adhering to OWASP Top Ten security guidelines, particularly those addressing input validation and output encoding to prevent HTML injection attacks.