CVE-2024-43300 in Movie Database Plugin
Summary
by MITRE • 10/18/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Bert Movie Database movie-database allows Stored XSS.This issue affects Movie Database: from n/a through <= 1.0.11.
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Analysis
by VulDB Data Team • 04/06/2026
The CVE-2024-43300 vulnerability represents a critical cross-site scripting flaw in the Bert Movie Database application that enables stored XSS attacks. This vulnerability exists within the web page generation process where input validation and sanitization mechanisms fail to properly neutralize user-supplied data before it is rendered in web pages. The flaw allows attackers to inject malicious scripts that persist in the application's database and execute against unsuspecting users who view affected content. The vulnerability specifically impacts versions of the Movie Database application from the initial release through version 1.0.11, indicating a long-standing issue that has not been adequately addressed.
This security weakness falls under CWE-79 which categorizes cross-site scripting vulnerabilities as a result of improper input validation and output encoding. The stored nature of this XSS vulnerability means that malicious scripts are permanently stored within the application's database rather than being reflected in a single request, making it particularly dangerous as the malicious code can affect multiple users over extended periods. The vulnerability occurs during the web page generation phase where user input is processed without adequate sanitization or encoding, creating an environment where attacker-controlled JavaScript can be executed in the context of other users' browsers.
The operational impact of this vulnerability is significant as it allows attackers to perform a wide range of malicious activities including session hijacking, credential theft, data exfiltration, and redirection to malicious sites. An attacker who successfully exploits this vulnerability can gain access to user sessions, potentially leading to unauthorized access to personal information, modification of database content, or even complete system compromise if the application has elevated privileges. The persistent nature of stored XSS means that the attack can continue to affect users long after the initial injection, making detection and remediation more challenging.
Mitigation strategies for CVE-2024-43300 should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application's data handling pipeline. The most effective approach involves sanitizing all user-supplied input before storage and properly encoding all output data before rendering in web pages. Organizations should implement Content Security Policy headers to limit script execution, utilize proper input validation libraries, and ensure that all user-generated content is escaped or encoded according to the context where it will be displayed. Additionally, regular security testing including dynamic application security testing and manual penetration testing should be conducted to identify and remediate similar vulnerabilities. The remediation process should include upgrading to a patched version of the Movie Database application and implementing proper web application firewall rules to detect and block malicious script injection attempts. This vulnerability demonstrates the critical importance of maintaining robust input validation and output encoding practices in web applications to prevent persistent cross-site scripting attacks that can have far-reaching consequences for both application integrity and user security.