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CVE-2026-109214

HIGH 7.2 CVSS 3.1
Published
November 7, 2026
Last modified
November 7, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Description

The User Frontend – Membership, User Registration, User Profile, User Directory & Content Restriction with Frontend Post Submission plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the '<taxonomy_field_name> (default: 'category')' parameter in all versions up to, and including, 4.3.13 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires the target installation to have configured a Taxonomy field in text-input mode with guest post submission enabled on at least one frontend form.

Affected WordPress components

  • User Frontend – Membership, User Registration, User Profile, User Directory & Content Restriction with Frontend Post Submission Plugin · wp-user-frontend
    Confirmed match Active
    Up to and including 4.3.13
    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

  • wedevs User Frontend – Membership, User Registration, User Profile, User Directory & Content Restriction with Frontend Post Submission — Up to and including 4.3.13

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-user-frontend/tags/4.3.13/admin/form-builder/assets/js/form-builder.js#L666
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-user-frontend/tags/4.3.13/admin/form-builder/views/post-form-settings.php#L498
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-user-frontend/tags/4.3.13/admin/html/form-settings-post.php#L118
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-user-frontend/tags/4.3.13/includes/Ajax.php#L26
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-user-frontend/tags/4.3.13/includes/Ajax/Frontend_Form_Ajax.php#L36
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-user-frontend/tags/4.3.13/includes/Traits/FieldableTrait.php#L745
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&new=3770255%40wp-user-frontend%2Ftags%2F4.3.14&old=3722911%40wp-user-frontend%2Ftags%2F4.3.13
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/ca1837a4-ea04-4a82-aadb-43e9cff28833?source=cve
  • nvd.nist.gov Official NVD record