CVE-2024-47343 in Mega Elements Plugin
Summary
by MITRE • 10/06/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Kraft Plugins Mega Elements mega-elements-addons-for-elementor allows Stored XSS.This issue affects Mega Elements: from n/a through <= 1.2.4.
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Analysis
by VulDB Data Team • 04/05/2026
This vulnerability represents a critical cross-site scripting flaw that enables attackers to inject malicious scripts into web pages viewed by other users. The issue exists within the Kraft Plugins Mega Elements mega-elements-addons-for-elementor plugin, specifically affecting versions up to and including 1.2.4. The vulnerability falls under the CWE-79 category for Cross-Site Scripting, which is a fundamental web application security weakness that allows attackers to execute scripts in the context of other users' browsers. This particular implementation allows for stored XSS attacks, meaning malicious payloads persist on the server and are executed whenever affected pages are loaded by unsuspecting users.
The technical flaw manifests when the plugin fails to properly sanitize user input during the web page generation process. When administrators or users enter content through the plugin's interface, the input validation mechanisms are insufficient to prevent the injection of malicious script code. This weakness creates a persistent threat where attackers can craft malicious payloads that get stored within the plugin's database or configuration files. The vulnerability is particularly dangerous because it operates at the web application layer, allowing attackers to bypass standard browser security mechanisms and execute arbitrary code in the victim's browser context. The stored nature of the attack means that once the malicious input is submitted, it remains active until manually removed, potentially affecting multiple users over extended periods.
The operational impact of this vulnerability is severe and multifaceted. Attackers can leverage this flaw to steal session cookies, perform unauthorized actions on behalf of users, redirect victims to malicious websites, or even install malware on affected systems. The stored XSS vulnerability allows for persistent attacks that can compromise user accounts, steal sensitive information, or manipulate the functionality of the affected website. This type of vulnerability can also serve as a stepping stone for more sophisticated attacks, potentially enabling privilege escalation or lateral movement within compromised networks. The attack surface is particularly concerning for websites that rely heavily on user-generated content or administrative interfaces, as these areas often contain sensitive data and administrative controls.
Mitigation strategies for this vulnerability should include immediate patching of the affected plugin to version 1.2.5 or later, which contains the necessary security fixes. Administrators should also implement comprehensive input validation and output encoding mechanisms to prevent similar issues in the future. The principle of least privilege should be enforced by limiting administrative access to only necessary personnel and implementing multi-factor authentication. Regular security audits and penetration testing can help identify similar vulnerabilities in other components of the web application stack. Additionally, implementing content security policies and using web application firewalls can provide additional layers of protection against XSS attacks. Organizations should also establish security awareness training for administrators to recognize potential attack vectors and maintain regular updates of all third-party plugins and components to prevent exploitation of known vulnerabilities.