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CVE-2026-4019

MEDIUM 5.3 CVSS 3.1
Published
April 29, 2026
Last modified
June 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-862
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Description

The Complianz – GDPR/CCPA Cookie Consent plugin for WordPress is vulnerable to unauthorized data access in all versions up to, and including, 7.4.5 This is due to the REST API endpoint at /wp-json/complianz/v1/consent-area/{post_id}/{block_id} using __return_true as the permission_callback, allowing any unauthenticated user to access it. The cmplz_rest_consented_content() function retrieves a post by ID via get_post() and returns the consentedContent attribute of any complianz/consent-area block found in it, without checking if the post is published or if the user has permission to read it. This makes it possible for unauthenticated attackers to read the consent area block content from private, draft, or unpublished posts.

Affected WordPress components

  • Complianz GDPR/CCPA Cookie Consent Banner Plugin · complianz-gdpr
    Confirmed match Active
    Up to and including 7.4.5
    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

  • complianz Complianz – GDPR/CCPA Cookie Consent — Up to and including 7.4.5

References

  • github.com https://github.com/complianz/complianz-gdpr/blob/64c09657bd028f62d7b50a54d83ca19b87df2cef/rest-api/rest-api.php#L61
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/complianz-gdpr/tags/7.4.4.2/rest-api/rest-api.php#L54
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/complianz-gdpr/tags/7.4.4.2/rest-api/rest-api.php#L61
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3508713/complianz-gdpr/trunk/rest-api/rest-api.php
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?old_path=%2Fcomplianz-gdpr/tags/7.4.5&new_path=%2Fcomplianz-gdpr/tags/7.4.6
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/3892489e-6ff7-4664-bb06-b8edff6dd659?source=cve
  • nvd.nist.gov Official NVD record