CVE-2024-42818 in fastapi-admin pro
Summary
by MITRE • 08/26/2024
A cross-site scripting (XSS) vulnerability in the Config-Create function of fastapi-admin pro v0.1.4 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Product Name parameter.
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Analysis
by VulDB Data Team • 03/12/2025
The cross-site scripting vulnerability identified as CVE-2024-42818 resides within the Config-Create function of fastapi-admin pro version 0.1.4, representing a critical security flaw that undermines the application's input validation mechanisms. This vulnerability specifically targets the Product Name parameter, which fails to properly sanitize user-supplied data before processing and rendering within the web interface. The flaw enables attackers to inject malicious scripts that execute in the context of other users' browsers, creating a persistent threat vector that can compromise user sessions and data integrity. The vulnerability stems from inadequate output encoding and input sanitization practices, allowing malicious payloads to bypass security controls and persist within the application's configuration management system.
The technical exploitation of this XSS vulnerability follows established patterns that align with CWE-79 - Improper Neutralization of Input During Web Page Generation, where web applications fail to properly encode or escape user-controllable data before incorporating it into dynamically generated HTML content. Attackers can craft malicious payloads that exploit the Product Name parameter to inject script tags, event handlers, or other malicious code that executes when legitimate users view the affected configuration entries. The vulnerability's impact extends beyond simple script execution as it can facilitate session hijacking, credential theft, and redirection to malicious sites. This particular implementation flaw represents a failure in the application's defense-in-depth strategy, where multiple layers of security controls should have prevented the injection of untrusted data into the web rendering pipeline.
The operational impact of CVE-2024-42818 manifests in several critical ways that affect both user security and organizational integrity. When successfully exploited, the vulnerability enables attackers to establish persistent footholds within the application environment, potentially allowing for privilege escalation and lateral movement within the network. The attack surface is particularly concerning given that the vulnerability exists within a configuration management function, which typically requires elevated privileges and handles sensitive operational data. Users who interact with the affected application may unknowingly execute malicious code, leading to potential data breaches, unauthorized access to administrative functions, and compromise of the entire application infrastructure. The vulnerability's persistence in the product configuration system means that successful attacks can have long-term consequences, as the malicious scripts remain embedded within the application's data store and continue to execute for all users who access the affected pages.
Mitigation strategies for CVE-2024-42818 must address both immediate remediation and long-term architectural improvements to prevent similar vulnerabilities from emerging. The primary recommendation involves implementing comprehensive input validation and output encoding mechanisms that sanitize all user-supplied data before processing, specifically targeting the Product Name parameter within the Config-Create function. Organizations should deploy proper Content Security Policy (CSP) headers to limit script execution and prevent unauthorized code injection, while also implementing strict input sanitization using established libraries and frameworks that can properly escape HTML, JavaScript, and other potentially dangerous characters. The vulnerability demonstrates the importance of adhering to ATT&CK framework techniques such as T1059.007 - Command and Scripting Interpreter: JavaScript, which highlights how attackers exploit scripting vulnerabilities to execute malicious code in web environments. Regular security testing including dynamic application security testing (DAST) and manual penetration testing should be implemented to identify similar injection flaws, while also establishing secure coding practices that emphasize the principle of least privilege and proper data validation at all input points within the application's architecture.