CVE-2024-4516 in Complete Web-Based School Management System
Summary
by MITRE • 05/06/2024
A vulnerability was found in Campcodes Complete Web-Based School Management System 1.0 and classified as problematic. Affected by this issue is some unknown functionality of the file /view/timetable.php. The manipulation of the argument grade leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-263120.
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Analysis
by VulDB Data Team • 04/01/2025
This vulnerability exists within the Campcodes Complete Web-Based School Management System version 1.0, specifically targeting the /view/timetable.php file where improper input validation allows for cross-site scripting attacks. The flaw occurs when the grade parameter is manipulated, creating an opportunity for attackers to inject malicious scripts into the web application's response. This represents a classic client-side vulnerability that can be exploited through web-based interfaces without requiring any special privileges or local access. The vulnerability's classification as problematic indicates a significant security risk that could potentially compromise user sessions and data integrity.
The technical implementation of this vulnerability stems from insufficient sanitization of user-supplied input within the grade parameter of the timetable.php script. When users provide grade values through web forms or URL parameters, the application fails to properly validate or escape these inputs before incorporating them into dynamic web content. This allows attackers to inject malicious javascript code that executes within the context of other users' browsers when they view the timetable page. The vulnerability's remote exploitability means that attackers can trigger the malicious code from any location with internet access, making it particularly dangerous for web applications that serve multiple users.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform session hijacking, steal sensitive user information, redirect users to malicious sites, or even perform actions on behalf of authenticated users. The disclosed exploit status indicates that threat actors have already developed working attack vectors, increasing the likelihood of real-world exploitation. This vulnerability affects the overall security posture of the school management system by potentially allowing unauthorized access to student and staff data, compromising the confidentiality and integrity of educational information. The attack surface is particularly concerning given that timetable viewing is likely a frequently accessed feature within educational environments.
Mitigation strategies should focus on implementing proper input validation and output encoding mechanisms throughout the application's codebase, particularly in the timetable.php file and similar components. The implementation of content security policies and proper sanitization of all user inputs should be prioritized to prevent script injection. Additionally, regular security audits and code reviews should be conducted to identify similar vulnerabilities in other application components. Organizations should also consider implementing web application firewalls and monitoring systems to detect and prevent exploitation attempts. The vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws, and follows attack patterns documented in the ATT&CK framework under web application attacks. Regular patching and security updates should be maintained to address similar issues that may arise in future versions of the software.