CVE-2024-29909 in Travelers Map Plugin
Summary
by MITRE • 03/27/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Camille Verrier Travelers' Map allows Stored XSS.This issue affects Travelers' Map: from n/a through 2.2.0.
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Analysis
by VulDB Data Team • 04/12/2025
The vulnerability identified as CVE-2024-29909 represents a critical cross-site scripting flaw in the Travelers' Map application developed by Camille Verrier. This stored XSS vulnerability occurs during the web page generation process when user input is improperly neutralized, creating a persistent security risk that can affect all users interacting with the application. The vulnerability exists within the application's handling of user-supplied data that gets stored and subsequently reflected in web pages without adequate sanitization or encoding mechanisms. The affected version range spans from the initial release through version 2.2.0, indicating this flaw has been present for an extended period and potentially exposed numerous users to attack vectors.
The technical implementation of this vulnerability stems from inadequate input validation and output encoding practices within the web application's codebase. When users submit data through various input fields or parameters that are then stored in the application's database or session storage, the system fails to properly sanitize this content before it is rendered back to other users. This stored data becomes part of the web page content and executes malicious scripts in the context of other users' browsers. The flaw specifically manifests during the web page generation phase where the application retrieves stored user data and incorporates it directly into HTML output without appropriate HTML entity encoding or other sanitization techniques. This vulnerability is classified under CWE-79 as Improper Neutralization of Input During Web Page Generation, which is a fundamental weakness in web application security design.
The operational impact of this stored XSS vulnerability is significant and far-reaching for the Travelers' Map application and its user base. An attacker who successfully exploits this vulnerability can execute malicious scripts in the browsers of other users who view affected content, potentially leading to session hijacking, credential theft, data exfiltration, or redirection to malicious sites. The persistent nature of stored XSS means that once malicious content is injected and saved, it continues to affect users until the content is removed from the application's database. This vulnerability could enable attackers to impersonate legitimate users, gain unauthorized access to sensitive information, or manipulate the application's functionality. The attack surface is particularly concerning given that the vulnerability affects the entire version range from the initial release through 2.2.0, suggesting that many installations may be exposed to this risk.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application's data flow. The primary remediation involves ensuring that all user-supplied data is properly sanitized before being stored and subsequently rendered back to users. This includes implementing proper HTML entity encoding for all dynamic content, utilizing Content Security Policy headers to limit script execution, and implementing input validation that rejects or removes potentially malicious content. Organizations should also consider implementing automated security scanning tools and regular penetration testing to identify similar vulnerabilities in their web applications. Additionally, the application should be updated to a version that addresses this specific vulnerability, as the vulnerability exists across multiple versions of the software. The remediation process should also include thorough code reviews and security training for developers to prevent similar flaws in future application development cycles, aligning with the principles outlined in the OWASP Top Ten and MITRE ATT&CK framework for web application security.