CVE-2024-50471 in Trip Plan Plugin
Summary
by MITRE • 10/28/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in checklistcom Trip Plan tripplan allows DOM-Based XSS.This issue affects Trip Plan: from n/a through <= 1.0.10.
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Analysis
by VulDB Data Team • 04/06/2026
The vulnerability identified as CVE-2024-50471 represents a critical cross-site scripting weakness within the checklistcom Trip Plan application, specifically manifesting as a DOM-based XSS flaw. This vulnerability stems from inadequate input sanitization during web page generation processes, creating an exploitable pathway for malicious actors to inject client-side scripts into the application's dynamic content. The affected version range spans from an unknown initial state through version 1.0.10, indicating a persistent issue that has not been fully addressed in the application's current release cycle. The vulnerability operates at the DOM level, meaning that malicious scripts can manipulate the document object model directly without requiring server-side processing, making it particularly insidious as it can bypass traditional server-side input validation mechanisms.
The technical implementation of this vulnerability allows attackers to inject malicious JavaScript code through improperly handled user input parameters that are subsequently reflected in the application's DOM structure. When a victim interacts with the vulnerable application, the malicious script executes within the victim's browser context, potentially enabling session hijacking, credential theft, or redirection to malicious websites. This DOM-based XSS variant is particularly dangerous because it leverages the browser's native DOM manipulation capabilities to execute code, often through parameters in the URL or other client-side data structures. The vulnerability's classification under CWE-79 indicates that it involves the improper handling of untrusted data within the application's web page generation logic, where user-supplied input flows directly into DOM operations without adequate sanitization or encoding.
From an operational standpoint, this vulnerability poses significant risks to both end users and the application administrators. Attackers can exploit this weakness to steal session cookies, redirect users to phishing sites, or perform actions on behalf of authenticated users within the application's context. The impact extends beyond individual user compromise to potentially affect the entire application ecosystem, as successful exploitation could lead to unauthorized access to sensitive trip planning data or user personal information. The vulnerability's presence in version 1.0.10 suggests that the development team has not yet implemented adequate protections against such attacks, leaving users exposed to potential exploitation through common attack vectors like malicious links or compromised user accounts. Security frameworks like the OWASP Top Ten categorize this type of vulnerability as a critical risk, as it directly enables attacker-controlled code execution in user browsers.
Mitigation strategies for CVE-2024-50471 should prioritize immediate implementation of robust input validation and output encoding mechanisms throughout the application's DOM manipulation processes. The recommended approach involves implementing strict sanitization of all user-provided input parameters before they are processed or rendered within the DOM structure, utilizing proper encoding techniques such as HTML entity encoding and JavaScript context encoding. Additionally, the application should implement Content Security Policy headers to limit script execution sources and prevent unauthorized code injection attempts. Regular security assessments and code reviews should focus on identifying all DOM-based operations that handle user input, ensuring that proper sanitization occurs before any data is processed. The implementation of a secure coding framework that enforces proper input validation at multiple layers of the application architecture will significantly reduce the risk of similar vulnerabilities. Organizations should also consider implementing automated vulnerability scanning tools that can detect DOM-based XSS patterns during development and deployment phases. According to ATT&CK framework techniques, this vulnerability maps to T1531 (Account Access Token Manipulation) and T1059.007 (Command and Scripting Interpreter: JavaScript) when exploited, highlighting the potential for broader attack chains that could leverage this initial access vector for more sophisticated compromise operations.