CVE-2024-4683 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 and classified as problematic. Affected by this issue is some unknown functionality of the file /view/exam_timetable_insert_form.php. The manipulation of the argument exam 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-263624.
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Analysis
by VulDB Data Team • 03/31/2025
The vulnerability identified as CVE-2024-4683 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/exam_timetable_insert_form.php file where improper input validation allows malicious actors to inject harmful scripts through the exam parameter. The vulnerability's classification as problematic indicates a significant risk to system integrity and user data confidentiality. The attack vector is remotely exploitable, meaning that threat actors can leverage this flaw without requiring physical access to the target system, making it particularly dangerous in web-based environments where multiple users interact with the platform.
The technical implementation of this XSS vulnerability stems from inadequate sanitization of user-supplied input within the exam parameter handling mechanism. When the application processes the exam argument without proper validation or encoding, it fails to distinguish between legitimate user input and malicious script code. This failure creates an opening for attackers to inject javascript payloads that execute within the context of other users' browsers who view the affected page. The vulnerability operates under CWE-79 which specifically addresses cross site scripting flaws in web applications, making it a well-documented and commonly exploited weakness in web security frameworks. The attack can be executed through various means including crafted URLs, malicious email attachments, or social engineering tactics that诱导 users to click on compromised links.
The operational impact of this vulnerability extends beyond simple script execution, potentially enabling attackers to perform session hijacking, steal sensitive user credentials, or redirect victims to malicious websites. In the context of a school management system, this flaw could compromise student records, academic data, and administrative information, creating serious privacy and compliance issues. The disclosed exploit status means that threat actors have already developed working payloads, increasing the likelihood of active exploitation attempts. This vulnerability directly maps to several ATT&CK techniques including T1566 for social engineering and T1059 for command and scripting interpreter usage, demonstrating how attackers might leverage this flaw as part of broader attack chains targeting educational institutions.
Organizations utilizing this school management system should immediately implement mitigations including input validation, output encoding, and proper parameter sanitization within the affected PHP file. The recommended approach involves implementing strict validation of the exam parameter to ensure it conforms to expected data types and formats while properly encoding all output to prevent script execution. Additionally, implementing Content Security Policy headers can provide an additional layer of protection against XSS attacks. Security teams should conduct thorough penetration testing to identify similar vulnerabilities in other components of the application and establish monitoring procedures to detect potential exploitation attempts. The vulnerability also highlights the importance of regular security assessments and prompt patch management to prevent similar issues from arising in future versions of the software.