CVE-2023-51338 in Meeting Room Booking System
Summary
by MITRE • 02/20/2025
PHPJabbers Meeting Room Booking System v1.0 is vulnerable to Multiple Stored Cross-Site Scripting (XSS) in the "title, name" parameters of index.php page.
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Analysis
by VulDB Data Team • 03/08/2026
The PHPJabbers Meeting Room Booking System version 1.0 contains multiple stored cross-site scripting vulnerabilities that pose significant security risks to organizations using this software. This vulnerability exists within the index.php page where user input parameters titled "title" and "name" are not properly sanitized or validated before being stored and subsequently rendered back to users. The flaw allows attackers to inject malicious scripts that execute in the context of other users' browsers, potentially leading to unauthorized access, data theft, or further exploitation of the affected system.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding mechanisms within the application's data handling processes. When users submit meeting room booking information through the interface, the system fails to adequately sanitize the title and name parameters before storing them in the database. This stored data is then retrieved and displayed without proper HTML escaping or context-appropriate encoding, creating an environment where malicious JavaScript code can persist and execute when other users view the affected pages. The vulnerability is classified as stored XSS because the malicious payloads are saved server-side and affect multiple users over time rather than requiring immediate interaction with a specific victim.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform various malicious activities within the compromised environment. An attacker could inject scripts that steal session cookies, redirect users to malicious websites, modify page content, or even execute commands on the server if additional vulnerabilities exist. The implications are particularly concerning for meeting room booking systems which often contain sensitive organizational information and may be used by executives or staff with access to confidential data. This vulnerability can facilitate credential theft, privilege escalation, and persistent access to the system, making it a critical concern for enterprise environments.
Mitigation strategies should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application. The system must sanitize all user-supplied data using context-appropriate encoding techniques before storing or rendering any content. This includes implementing proper HTML escaping for web contexts and employing Content Security Policy (CSP) headers to limit script execution. Additionally, the application should utilize parameterized queries and input validation libraries to prevent injection attacks. Organizations should also consider implementing regular security audits, input sanitization testing, and monitoring for suspicious user activity. The vulnerability aligns with CWE-79 (Cross-site Scripting) and can be mapped to ATT&CK technique T1566 (Phishing) and T1071.001 (Application Layer Protocol: Web Protocols) in the MITRE ATT&CK framework, highlighting the need for layered security approaches that address both the immediate vulnerability and broader threat landscape.