CVE-2024-30929 in DerbyNet
Summary
by MITRE • 04/19/2024
Cross Site Scripting vulnerability in DerbyNet v9.0 and below allows attackers to execute arbitrary code via the 'back' Parameter in playlist.php
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Analysis
by VulDB Data Team • 04/08/2025
The Cross Site Scripting vulnerability identified as CVE-2024-30929 affects DerbyNet version 9.0 and earlier, representing a critical security flaw that enables attackers to inject malicious scripts into web applications through the back parameter in playlist.php. This vulnerability falls under the CWE-79 category of Cross Site Scripting, which is classified as a common weakness in web application security. The flaw specifically manifests when the application fails to properly sanitize user input from the back parameter, allowing attackers to craft malicious payloads that execute within the context of other users' browsers.
The technical implementation of this vulnerability involves the improper handling of input validation within the playlist.php script where the back parameter is processed without adequate sanitization or encoding mechanisms. When an attacker submits malicious script code through this parameter, the application stores or displays the input without proper escaping, creating an environment where the injected code can execute in the victim's browser session. This type of vulnerability is particularly dangerous because it can be exploited through various attack vectors including social engineering, where users might be tricked into clicking malicious links that contain the crafted payloads.
The operational impact of CVE-2024-30929 extends beyond simple script execution, as it can potentially allow attackers to perform session hijacking, steal sensitive user information, manipulate data, or redirect users to malicious websites. The vulnerability's exploitation can lead to unauthorized access to user accounts, data breaches, and potential compromise of the entire application infrastructure. Given that DerbyNet is a web-based application for managing derby events, the impact could include unauthorized access to event data, participant information, and administrative functions. This vulnerability aligns with ATT&CK technique T1566.001 for Initial Access through Spearphishing Attachment, where attackers might use this XSS flaw to deliver malicious payloads to unsuspecting users.
Organizations running DerbyNet versions 9.0 or earlier should immediately implement mitigations including input validation and output encoding for all user-supplied parameters, particularly those used in dynamic content generation. The recommended approach involves implementing proper sanitization routines that strip or encode potentially dangerous characters in the back parameter before processing. Additionally, implementing Content Security Policy (CSP) headers can provide an additional layer of protection by restricting the sources from which scripts can be executed within the application. The vulnerability also highlights the importance of regular security assessments and patch management processes, as this flaw represents a preventable issue that could have been addressed through proper input validation practices and adherence to secure coding standards. Organizations should also consider implementing web application firewalls to detect and block malicious input patterns targeting this specific vulnerability.