CVE-2024-4686 in Complete Web-Based School Management System
Summary
by MITRE • 05/14/2024
A vulnerability was found in Campcodes Complete Web-Based School Management System 1.0. It has been rated as problematic. This issue affects some unknown processing of the file /view/emarks_range_grade_update_form.php. The manipulation of the argument grade leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-263627.
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Analysis
by VulDB Data Team • 03/31/2025
The vulnerability identified as CVE-2024-4686 represents a critical cross site scripting flaw within the Campcodes Complete Web-Based School Management System version 1.0. This security weakness resides in the /view/emarks_range_grade_update_form.php file where improper input validation occurs during the processing of the grade parameter. The vulnerability has been classified as problematic due to its potential for remote exploitation and the fact that a public exploit has already been disseminated, making it immediately actionable by threat actors. The system's failure to properly sanitize or escape user-supplied input creates a persistent security gap that can be leveraged by malicious actors to execute arbitrary script code within the context of affected user browsers.
The technical nature of this vulnerability aligns with CWE-79, which specifically addresses cross site scripting flaws in web applications. The flaw occurs when the application fails to validate and sanitize the grade argument parameter before incorporating it into dynamic web page content. This allows an attacker to inject malicious JavaScript code through the grade field, which then executes in the victim's browser when the affected page is loaded. The remote exploitation capability means that attackers can trigger this vulnerability without requiring physical access to the system or direct network interaction with the server itself. The vulnerability's presence in a school management system presents particular concern given the sensitive educational data and user information that such platforms typically handle.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable more sophisticated attacks including session hijacking, credential theft, and data exfiltration. An attacker could potentially use the XSS flaw to steal user sessions, redirect victims to malicious sites, or inject malware into the victim's browser environment. The disclosure of the exploit (VDB-263627) significantly increases the risk profile as it provides threat actors with a ready-made attack vector without requiring additional research or development effort. Educational institutions relying on this system face potential exposure of student records, staff information, and administrative data, creating compliance and privacy risks that could result in regulatory penalties and reputational damage.
Organizations utilizing this school management system should implement immediate mitigations including input validation and output encoding for all user-supplied data, particularly in form fields that accept grade information. The implementation of Content Security Policy headers can provide additional protection against script injection attacks, while regular security assessments and penetration testing should be conducted to identify similar vulnerabilities. The system should be updated with the latest security patches from the vendor, and if no patches are available, the affected functionality should be temporarily disabled until proper security measures are implemented. Network monitoring should be enhanced to detect suspicious traffic patterns that may indicate exploitation attempts, and user education regarding the risks of clicking on untrusted links or entering data into potentially compromised forms should be reinforced. This vulnerability serves as a reminder of the critical importance of input validation and output encoding in web application security, particularly in systems handling sensitive educational data.