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CVE-2026-2918

MEDIUM 6.4 CVSS 3.1
Published
March 11, 2026
Last modified
June 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-639
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Description

The Happy Addons for Elementor plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.21.0 via the `ha_condition_update` AJAX action. This is due to the `validate_reqeust()` method using `current_user_can('edit_posts', $template_id)` instead of `current_user_can('edit_post', $template_id)` — failing to perform object-level authorization. Additionally, the `ha_get_current_condition` AJAX action lacks a capability check. This makes it possible for authenticated attackers, with Contributor-level access and above, to modify the display conditions of any published `ha_library` template. Because the `cond_to_html()` renderer outputs condition values into HTML attributes without proper escaping (using string concatenation instead of `esc_attr()`), an attacker can inject event handler attributes (e.g., `onmouseover`) that execute JavaScript when an administrator views the Template Conditions panel, resulting in Stored Cross-Site Scripting.

Affected WordPress components

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

  • thehappymonster Happy Addons for Elementor — Up to and including 3.21.0

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/happy-elementor-addons/tags/3.20.7/classes/condition-manager.php#L237
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/happy-elementor-addons/tags/3.20.7/classes/condition-manager.php#L525
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/happy-elementor-addons/trunk/classes/condition-manager.php#L237
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/happy-elementor-addons/trunk/classes/condition-manager.php#L525
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3475242%40happy-elementor-addons%2Ftrunk&old=3463375%40happy-elementor-addons%2Ftrunk&sfp_email=&sfph_mail=
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/1a3fe49b-cc0d-4b29-aae5-46307483b8d4?source=cve
  • nvd.nist.gov Official NVD record