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CVE-2026-4326

HIGH 8.8 CVSS 3.1
Published
April 9, 2026
Last modified
July 24, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-862
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

The Vertex Addons for Elementor plugin for WordPress is vulnerable to Missing Authorization in all versions up to and including 1.6.4. This is due to improper authorization enforcement in the activate_required_plugins() function. Specifically, the current_user_can('install_plugins') capability check does not terminate execution when it fails — it only sets an error message variable while allowing the plugin installation and activation code to execute. The error response is only sent after the installation and activation have already completed. This makes it possible for authenticated attackers, with Subscriber-level access and above, to install and activate arbitrary plugins from the WordPress.

Affected WordPress components

  • Vertex Addons for Elementor Plugin · addons-for-elementor-builder
    Confirmed match Active
    Up to and including 1.6.4
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • webilia Vertex Addons for Elementor — Up to and including 1.6.4

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/addons-for-elementor-builder/tags/1.6.4/app/Ajax.php#L229
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/addons-for-elementor-builder/tags/1.6.4/app/Ajax.php#L232
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/addons-for-elementor-builder/tags/1.6.4/app/Ajax.php#L264
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/addons-for-elementor-builder/tags/1.6.4/app/Ajax.php#L278
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/addons-for-elementor-builder/trunk/app/Ajax.php#L229
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/addons-for-elementor-builder/trunk/app/Ajax.php#L232
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/addons-for-elementor-builder/trunk/app/Ajax.php#L264
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/addons-for-elementor-builder/trunk/app/Ajax.php#L278
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3491143%40addons-for-elementor-builder&new=3491143%40addons-for-elementor-builder&sfp_email=&sfph_mail=
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/1bb409f0-ccbd-4dfa-b097-b29ee539daa3?source=cve
  • nvd.nist.gov Official NVD record