CVE-2026-102394: Essential Addons for Elementor XSS Flaw

CVE-2026-102394 Overview

CVE-2026-102394 is a stored cross-site scripting (XSS) vulnerability in WPDeveloper's Essential Addons for Elementor Lite plugin for WordPress. The flaw stems from improper neutralization of user-supplied input during web page generation [CWE-79]. Attackers with low-privilege authenticated access can inject malicious JavaScript that persists in rendered pages. When other users or administrators load the affected page, the payload executes in their browser context. The issue affects Essential Addons for Elementor versions up to and including 6.8.4. Essential Addons for Elementor is one of the most widely deployed WordPress plugin suites for the Elementor page builder, broadening the exposure footprint for site owners who have not updated.

Critical Impact
Authenticated attackers can inject persistent JavaScript that executes against site visitors and administrators, enabling session theft, forced actions, and account takeover through administrator interaction.

Affected Products

WPDeveloper Essential Addons for Elementor Lite — all versions through 6.8.4
WordPress sites using the essential-addons-for-elementor-lite plugin
Elementor-based WordPress deployments with the plugin enabled

Discovery Timeline

2026-10-01 - CVE-2026-102394 published to NVD
2026-10-01 - Last updated in NVD database

Technical Details for CVE-2026-102394

Vulnerability Analysis

The vulnerability is a stored cross-site scripting flaw rooted in insufficient output sanitization within the Essential Addons for Elementor Lite plugin. The plugin accepts user-controlled input through one or more widget or configuration fields and stores it in the WordPress database. When the affected widget renders, the stored content is written into the page without adequate HTML or JavaScript encoding. This allows an attacker to persist arbitrary script in page markup. According to the CVSS metrics, the attack requires low privileges and user interaction, and crosses a trust boundary (scope change), meaning the injected script runs in the context of a different security scope — typically that of a higher-privileged administrator viewing the content.

Root Cause

The root cause is improper neutralization of input during web page generation [CWE-79]. The plugin fails to apply context-appropriate escaping functions, such as WordPress's esc_html(), esc_attr(), or wp_kses_post(), when outputting attacker-controlled values stored by the widget. As a result, HTML and script tags survive storage and rendering without being neutralized.

Attack Vector

An authenticated user with contributor-level or editor-level access to a vulnerable WordPress site crafts a malicious payload within a field consumed by an Essential Addons widget. The payload is saved as part of a post, page, or widget configuration. When another user — typically an administrator reviewing content — loads the page containing the widget, the injected JavaScript executes in the administrator's browser session. Attackers commonly use this to exfiltrate authentication cookies, create new administrator accounts via REST API calls, or plant persistent backdoors through the plugin or theme editor. Technical details are documented in the Patchstack Vulnerability Report.

Detection Methods for CVE-2026-102394

Indicators of Compromise

Unexpected <script>, onerror, onload, or javascript: content in WordPress wp_posts or wp_postmeta rows associated with Essential Addons widgets.
New or modified WordPress administrator accounts created shortly after an authenticated contributor or editor edited an Essential Addons widget.
Outbound HTTP requests from administrator browsers to unfamiliar domains immediately after loading Elementor-rendered pages.
Modifications to wp-config.php, theme files, or plugin files that correlate with administrator sessions viewing affected widgets.

Detection Strategies

Query the WordPress database for widget content containing script tags, event handlers, or encoded payloads such as <script and javascript:.
Monitor WordPress audit logs for suspicious edits by contributor or editor roles to Elementor-based posts and pages.
Inspect browser Content Security Policy (CSP) violation reports for inline script execution originating from pages built with Essential Addons widgets.

Monitoring Recommendations

Enable WordPress activity logging and alert on privilege escalation events, user role changes, and plugin or theme file modifications.
Deploy a Web Application Firewall (WAF) with rules that flag XSS patterns submitted to Elementor and Essential Addons endpoints.
Correlate web server logs for POST requests to admin-ajax.php and the WordPress REST API originating from low-privilege accounts prior to administrator sessions.

How to Mitigate CVE-2026-102394

Immediate Actions Required

Update Essential Addons for Elementor Lite to the version released after 6.8.4 that remediates the issue, per the vendor advisory.
Audit all contributor and editor accounts and revoke access for any unused or unknown users.
Review recently edited posts, pages, and widget configurations for script payloads and remove suspicious content.
Rotate administrator credentials and invalidate active WordPress sessions if post-exploitation activity is suspected.

Patch Information

Refer to the Patchstack Vulnerability Report for the fixed version and the vendor's remediation details. The vulnerability affects Essential Addons for Elementor versions up to and including 6.8.4.

Workarounds

Restrict content creation privileges to trusted users and disable self-registration or reduce the default role to subscriber.
Deploy a WAF with managed WordPress rulesets to block common XSS payloads targeting Elementor endpoints.
Enforce a strict Content Security Policy that disallows inline scripts and limits script sources to trusted origins.
Temporarily disable the Essential Addons for Elementor Lite plugin on sites where patching cannot be performed immediately.

bash

# Configuration example: update the plugin via WP-CLI
wp plugin update essential-addons-for-elementor-lite
wp plugin get essential-addons-for-elementor-lite --field=version