Executive Summary

[{'type': 'paragraph', 'content': 'CVE-2026-3984 is a cross-site scripting (XSS) vulnerability found in version 2.1 of the Campcodes Division Regional Athletic Meet Game Result Matrix System, specifically in the file save_up_athlete.php.'}, {'type': 'paragraph', 'content': 'The vulnerability arises from improper handling of the user-controllable input parameter "a_name," which is not properly sanitized or neutralized before being included in the web page output.'}, {'type': 'paragraph', 'content': 'This flaw allows remote attackers to inject malicious scripts that are stored on the server and executed in the browsers of users who access the affected data.'}, {'type': 'paragraph', 'content': 'Exploitation is straightforward, can be performed remotely without local access, but requires user interaction.'}] [1, 2, 3]

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Impact Analysis

Exploitation of this vulnerability can lead to arbitrary script execution in the browsers of users interacting with the affected system.

This can compromise user security and privacy by allowing attackers to execute malicious scripts, potentially stealing sensitive information or performing unauthorized actions on behalf of users.

Since the malicious scripts are stored on the server and executed when users access the affected pages, it can affect multiple users and lead to broader security issues.

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Compliance Impact

I don't know

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Detection Guidance

[{'type': 'paragraph', 'content': 'This vulnerability can be detected by identifying instances of the vulnerable file save_up_athlete.php in the Campcodes Division Regional Athletic Meet Game Result Matrix System version 2.1 and testing the "a_name" parameter for improper input sanitization that leads to cross-site scripting (XSS).'}, {'type': 'paragraph', 'content': 'One method to find potentially vulnerable targets is to use Google dorking with queries such as: inurl:save_up_athlete.php'}, {'type': 'paragraph', 'content': 'To test the vulnerability on your system, you can attempt to inject a simple XSS payload into the "a_name" parameter, for example: <a href="javascript:alert(1)">test</a>, and observe if the script executes upon page refresh.'}, {'type': 'paragraph', 'content': 'For network or system scanning, you can use tools like curl or wget to send crafted HTTP requests to the vulnerable endpoint and check the response for reflected or stored scripts.'}, {'type': 'list_item', 'content': 'Example curl command to test injection: curl -X POST -d "a_name=<a href=\\"javascript:alert(1)\\">test</a>" https://target-domain/save_up_athlete.php'}] [3, 1]

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Mitigation Strategies

[{'type': 'paragraph', 'content': 'Immediate mitigation steps include sanitizing and validating all user inputs, especially the "a_name" parameter in save_up_athlete.php, to prevent injection of malicious scripts.'}, {'type': 'paragraph', 'content': 'Since no known mitigations or countermeasures have been documented for this vulnerability, it is recommended to replace or update the affected component with a secure alternative if possible.'}, {'type': 'paragraph', 'content': 'Additionally, restricting user input to safe characters and implementing Content Security Policy (CSP) headers can help reduce the impact of potential XSS attacks.'}, {'type': 'paragraph', 'content': 'Monitoring and blocking suspicious requests targeting the vulnerable parameter can also help mitigate exploitation attempts.'}] [3]

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