CVE-2026-9281

Description

The Master Addons For Elementor – Widgets, Extensions, Theme Builder, Popup Builder & Template Kits plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'jtlma_custom_js' Page Setting (Custom JS Extension) in all versions up to, and including, 3.1.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The unfiltered_html capability check is only enforced during Elementor control registration (UI rendering) and not during the save process, enabling Author-level users to inject the jtlma_custom_js setting directly via a crafted POST request to admin-ajax.php?action=elementor_ajax, bypassing the UI-level restriction entirely.

PUBLISHED Reserved 2026-05-22 | Published 2026-06-06 | Updated 2026-06-06 | Assigner Wordfence

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Timeline

Credits

Chairat Toraya finder

Athiwat Tiprasaharn finder

Itthidej Aramsri finder

References

www.wordfence.com/...-6e60-4455-96c9-b2a3e86773da?source=cve

plugins.trac.wordpress.org/...lities/custom-js/custom-js.php

plugins.trac.wordpress.org/...lities/custom-js/custom-js.php

plugins.trac.wordpress.org/...lities/custom-js/custom-js.php

plugins.trac.wordpress.org/...lities/custom-js/custom-js.php

plugins.trac.wordpress.org/...lities/custom-js/custom-js.php

plugins.trac.wordpress.org/...lities/custom-js/custom-js.php

plugins.trac.wordpress.org/...r-addons&sfp_email=&sfph_mail=

cve.org (CVE-2026-9281)

nvd.nist.gov (CVE-2026-9281)

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