CVE-2024-4687 in Complete Web-Based School Management System
Summary
by MITRE • 05/14/2024
A vulnerability classified as problematic has been found in Campcodes Complete Web-Based School Management System 1.0. Affected is an unknown function of the file /view/create_events.php. The manipulation of the argument my_index leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-263628.
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Analysis
by VulDB Data Team • 05/30/2026
This vulnerability resides within the Campcodes Complete Web-Based School Management System version 1.0, specifically targeting the /view/create_events.php file where an insecure input handling flaw exists in an unknown function. The vulnerability manifests when the my_index argument is manipulated, creating a cross-site scripting condition that allows malicious actors to inject arbitrary JavaScript code into the application's response. The flaw represents a classic client-side injection vulnerability that can be exploited through web browser interactions without requiring any special privileges or access to the underlying system infrastructure. The remote exploitation capability means that attackers can leverage this vulnerability from any location without physical access to the target network or system components.
The technical implementation of this vulnerability follows established patterns for cross-site scripting attacks where user-supplied input is directly incorporated into web page output without proper sanitization or encoding. When the my_index parameter is processed by the application, it fails to adequately validate or escape the input before rendering it within the HTML context, creating an opportunity for attackers to inject malicious scripts that execute in the context of other users' browsers. This particular implementation falls under the CWE-79 category of Cross-Site Scripting, specifically representing a situation where untrusted data flows from the web application to the user's browser without proper context-dependent encoding or validation mechanisms. The vulnerability demonstrates a fundamental weakness in the application's input processing pipeline where the system does not properly distinguish between legitimate application data and potentially malicious script content.
The operational impact of this vulnerability extends beyond simple data theft or session hijacking, as it can enable attackers to perform a wide range of malicious activities including credential theft, data exfiltration, and privilege escalation within the application's context. Remote exploitation capabilities mean that attackers can target users who access the school management system through standard web browsers, potentially compromising multiple user sessions simultaneously. The disclosure of this exploit to the public community significantly increases the risk profile as it removes the element of zero-day advantage and provides attackers with a readily available tool for targeting vulnerable installations. This vulnerability can be particularly dangerous in educational environments where sensitive student and staff data may be accessible through the compromised system, potentially leading to privacy violations and regulatory compliance issues.
Mitigation strategies should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application's data flow processing. The most effective immediate solution involves sanitizing all user-supplied input parameters, particularly those used in dynamic content generation, through proper HTML entity encoding and context-appropriate escaping techniques. Implementing a Content Security Policy header can provide additional protection against script injection attacks by restricting the sources from which scripts can be loaded and executed within the application's context. The application should also employ proper parameter validation routines that reject or sanitize input values before they are processed or rendered in web responses. Regular security testing including dynamic application security testing and manual penetration testing should be conducted to identify similar vulnerabilities across the application's codebase, particularly focusing on areas where user input is directly incorporated into HTML output. Organizations should also implement proper access controls and monitoring mechanisms to detect unusual activities that might indicate exploitation attempts, while maintaining up-to-date security patches and monitoring for new threats related to web application vulnerabilities.