CVE-2024-37466 in Mega Elements Plugin
Summary
by MITRE • 07/22/2024
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Kraftplugins Mega Elements.This issue affects Mega Elements: from n/a through 1.2.2.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 03/17/2025
The vulnerability identified as CVE-2024-37466 represents a critical cross-site scripting weakness within the Kraftplugins Mega Elements plugin, specifically impacting versions ranging from an unspecified starting point through 1.2.2. This flaw resides in the improper neutralization of input during web page generation processes, creating a pathway for malicious actors to inject arbitrary script code into web pages viewed by other users. The vulnerability manifests when the plugin fails to adequately sanitize or escape user-supplied input before incorporating it into dynamically generated HTML content, thereby enabling attackers to execute malicious scripts within the context of affected websites.
The technical implementation of this XSS vulnerability stems from inadequate input validation and output encoding mechanisms within the Mega Elements plugin's codebase. When users interact with the plugin's functionality, particularly when submitting forms, configuring settings, or providing content that gets rendered on web pages, the application does not sufficiently neutralize potentially malicious input. This weakness allows attackers to inject script payloads that can execute in the browsers of other users who view the affected content. The vulnerability specifically affects the plugin's handling of user-generated content that gets processed and displayed on web pages, creating a persistent threat vector that can be exploited across multiple user sessions and browsing contexts.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable sophisticated attack vectors including session hijacking, credential theft, and unauthorized administrative access. Attackers can leverage this XSS flaw to steal cookies, session tokens, or other sensitive information from authenticated users, potentially gaining full administrative control over affected websites. The vulnerability's persistence across multiple versions suggests a fundamental flaw in the plugin's input handling architecture that requires comprehensive remediation. Organizations relying on the Mega Elements plugin may face significant security risks including data breaches, unauthorized content modification, and potential compromise of entire web applications that utilize this vulnerable component.
Mitigation strategies for CVE-2024-37466 should prioritize immediate patching of the affected plugin to version 1.2.3 or later, which contains the necessary security fixes. System administrators must implement comprehensive input validation and output encoding measures, ensuring that all user-supplied data undergoes proper sanitization before being incorporated into web page content. The implementation of Content Security Policy headers can provide additional defense-in-depth measures to limit the impact of successful XSS attacks. Organizations should also conduct thorough security assessments of their web applications to identify and remediate similar vulnerabilities within their codebases, following established security frameworks such as those outlined in CWE-79 for cross-site scripting prevention. This vulnerability aligns with ATT&CK technique T1566.001, which covers the exploitation of web application vulnerabilities for initial access, and represents a critical security gap that requires immediate attention to prevent potential exploitation by threat actors.