CVE-2026-57376 in ElementInvader Addons Plugin
Summary
by MITRE • 07/13/2026
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Element Invader ElementInvader Addons for Elementor elementinvader-addons-for-elementor allows DOM-Based XSS.This issue affects ElementInvader Addons for Elementor: from n/a through <= 1.4.3.
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Analysis
by VulDB Data Team • 07/14/2026
This cross-site scripting vulnerability resides within the Element Invader ElementInvader Addons for Elementor plugin, specifically manifesting as a DOM-based XSS flaw that exploits improper input neutralization during web page generation processes. The vulnerability allows attackers to inject malicious scripts into web pages viewed by other users through manipulation of the plugin's input handling mechanisms. The affected version range spans from an unspecified initial state through version 1.4.3, indicating a persistent security gap that has remained unaddressed for multiple releases. This type of vulnerability falls under the CWE-79 category of Cross-Site Scripting, which represents one of the most prevalent and dangerous web application security flaws in the industry.
The technical exploitation occurs when the plugin fails to properly sanitize or escape user-supplied input parameters before incorporating them into dynamically generated web content. DOM-based XSS vulnerabilities are particularly concerning because they occur entirely within the client-side environment without requiring server-side processing, making them more difficult to detect and prevent through traditional server-side security measures. When an attacker crafts malicious input that gets processed by the plugin's JavaScript code, the resulting DOM manipulation creates a persistent vector for executing unauthorized scripts in the context of other users' browsers.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform various malicious activities including session hijacking, credential theft, data exfiltration, and redirection to malicious websites. An attacker could potentially leverage this flaw to gain unauthorized access to administrator accounts or inject malicious content that would be visible to all website visitors, making it a critical security concern for any organization relying on the Elementor platform with this plugin installed. The vulnerability's persistence across multiple versions suggests inadequate input validation mechanisms and insufficient security testing during the development lifecycle.
Mitigation strategies should include immediate patching to version 1.4.4 or later where the XSS vulnerability has been addressed, along with comprehensive input validation and sanitization measures. Security professionals should implement Content Security Policy headers to limit script execution sources, conduct regular security audits of third-party plugins, and establish proper input escaping mechanisms for all user-supplied data. Organizations using this plugin should also consider implementing web application firewalls and monitoring for suspicious script injection patterns. This vulnerability aligns with ATT&CK technique T1566 related to spearphishing attachments and links, as attackers can exploit such flaws to deliver malicious payloads through compromised websites. The issue demonstrates the critical importance of thorough security testing for WordPress plugins, particularly those that integrate deeply with content management systems like Elementor, as these integrations often become attack vectors when proper input sanitization is lacking.