CVE-2026-104393
Received Received - Intake

Stored XSS in Happy Addons for Elementor

Publication date: 2026-10-07

Last updated on: 2026-10-07

Assigner: Patchstack

Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in weDevs Happy Addons for Elementor happy-elementor-addons allows Stored XSS.This issue affects Happy Addons for Elementor: from n/a through 3.50.0.

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Meta Information

Published
2026-10-07
Last Modified
2026-10-07
Generated
2026-10-07
AI Q&A
2026-10-07
EPSS Evaluated
N/A
NVD
CVE-2026-104393
EUVD
EUVD-2026-94256

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
weDevs Happy Addons for Elementor 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

This is a Stored Cross-Site Scripting (XSS) vulnerability in the weDevs Happy Addons for Elementor plugin. It allows attackers to inject malicious scripts into web pages that are stored on the server and executed when other users view those pages.

Detection Guidance

To detect this vulnerability, inspect WordPress installations for the affected Happy Addons for Elementor plugin versions up to 3.50.0. Check for unusual JavaScript execution in web pages or admin panels. Use security plugins like Wordfence or Sucuri to scan for XSS patterns in plugin files and database entries.

Impact Analysis

An attacker could steal user sessions, deface websites, or perform actions on behalf of users. Users with access to the affected plugin could execute arbitrary code, leading to potential data breaches or unauthorized access.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR's data protection requirements or HIPAA's security rules. Organizations may face compliance penalties if user data is compromised due to this flaw.

Mitigation Strategies

Immediately update the Happy Addons for Elementor plugin to the latest version beyond 3.50.0. If an update is unavailable, consider disabling or removing the plugin temporarily. Implement input validation and output encoding in web applications to prevent XSS attacks. Monitor network traffic for suspicious activity.

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