What’s Vulnerable › Vulnerabilities

CVE-2025-14635: Happy Addons for Elementor <= 3.20.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Custom JS

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-23 · updated 2026-10-19
• Weakness: CWE-79

Description

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 makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page, despite the intended role restriction of Custom JS to Administrators.

Affected products

• thehappymonster Happy Addons for Elementor: through 3.20.3

References

• https://plugins.trac.wordpress.org/browser/happy-elementor-addons/tags/3.20.2/extensions/custom-js.php#L60
• https://plugins.trac.wordpress.org/browser/happy-elementor-addons/tags/3.20.2/extensions/custom-js.php#L76
• https://plugins.trac.wordpress.org/changeset/3421733/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/16e7adef-68ab-4dd6-bd80-252622cfe705?source=cve

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