CVE-2026-104393
MediumCVSS 6.5Exploitation Probability (EPSS)
Low risk12th percentile - higher than 12% of all known CVEs
Summary
Stored XSS vulnerability in the Happy Addons for Elementor plugin by weDevs. Improper input neutralization during page generation allows persistent execution of malicious scripts.
Risk Assessment
An attacker can inject a malicious script that executes in the context of an authenticated administrator, potentially leading to data theft, session hijacking, or content modification.
Recommendation
Update the Happy Addons for Elementor plugin to a version newer than 3.50.0 if a patch is available. Restrict permissions for users who can input content.
Other vulnerabilities in Happy Addons for Elementor
See all- CVE-2026-62080Medium
Happy Addons for Elementor plugin version 3.23.1 and earlier contains a Cross Site Scripting (XSS) vulnerability exploitable by contributors, allowing injection of malicious scripts.
- CVE-2026-109891Medium
The Happy Addons for Elementor plugin in versions up to 3.50.1 contains a missing authorization vulnerability due to incorrectly configured access control security levels. This may allow exploitation of misconfigured security mechanisms.
- CVE-2026-116850Medium
The Happy Addons for Elementor plugin (up to version 3.50.1) is vulnerable to Stored Cross-site Scripting (XSS) due to improper neutralization of input during web page generation. A malicious script can be persistently stored and executed in the user's browser.
- CVE-2025-14635Medium
The Happy Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'ha_page_custom_js' parameter in all versions up to and including 3.20.3 due to insufficient input sanitization and output escaping. This allows authenticated attackers with Contributor-level access and above to inject arbitrary web scripts into pages that execute when a user visits the injected page, despite the intended restriction of Custom JS to Administrators.
- CVE-2025-63077Medium
The Happy Addons for Elementor plugin (versions up to and including 3.20.3) contains a Missing Authorization vulnerability due to incorrectly configured access control security levels. This may allow unauthorized access to functions or data.
Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

