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CVE-2026-4068

MEDIUM 4.3 CVSS 3.1
Published
March 19, 2026
Last modified
June 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-352
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Description

The Add Custom Fields to Media plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.3. This is due to missing nonce validation on the field deletion functionality in the admin display template. The plugin properly validates a nonce for the 'add field' operation (line 24-36), but the 'delete field' operation (lines 38-49) processes the $_GET['delete'] parameter and calls update_option() without any nonce verification. This makes it possible for unauthenticated attackers to delete arbitrary custom media fields via a forged request, granted they can trick a site administrator into performing an action such as clicking on a link.

Affected WordPress components

  • Add Custom Fields to Media Plugin · add-custom-fields-to-media
    Confirmed match Active
    Up to and including 2.0.3
    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

  • pattihis Add Custom Fields to Media — Up to and including 2.0.3

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/add-custom-fields-to-media/tags/2.0.3/admin/partials/add-custom-fields-to-media-admin-display.php#L38
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/add-custom-fields-to-media/tags/2.0.3/admin/partials/add-custom-fields-to-media-admin-display.php#L48
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/add-custom-fields-to-media/trunk/admin/partials/add-custom-fields-to-media-admin-display.php#L38
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/add-custom-fields-to-media/trunk/admin/partials/add-custom-fields-to-media-admin-display.php#L48
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3481588%40add-custom-fields-to-media&new=3481588%40add-custom-fields-to-media&sfp_email=&sfph_mail=
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/259a4950-9377-4d18-86ad-aadd97dcdbc7?source=cve
  • nvd.nist.gov Official NVD record