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CVE-2026-4019

5.3 · MEDIUM

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/…

Published Apr 29, 2026CWE-862EPSS 0.44%

Overview

CVE-2026-4019 is a medium-severity vulnerability. It was published on April 29, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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 This makes it possible for unauthenticated attackers to read the consent area block content from private, draft, or unpublished posts.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/complianz/complianz-gdpr/blob/64c09657bd028f62d7b50a54d83ca19b87df2cef/rest-api/rest-api.php#L61Refplugins.trac.wordpress.org/browser/complianz-gdpr/tags/7.4.4.2/rest-api/rest-api.php#L54Refplugins.trac.wordpress.org/browser/complianz-gdpr/tags/7.4.4.2/rest-api/rest-api.php#L61Refplugins.trac.wordpress.org/changeset/3508713/complianz-gdpr/trunk/rest-api/rest-api.phpRefplugins.trac.wordpress.org/changeset?old_path=%2Fcomplianz-gdpr/tags/7.4.5&new_path=%2Fcomplianz-gdpr/tags/7.4.6Refwww.wordfence.com/threat-intel/vulnerabilities/id/3892489e-6ff7-4664-bb06-b8edff6dd659?source=cve

How CyberStrike helps

Frequently asked questions

What is CVE-2026-4019?

CVE-2026-4019 is a medium-severity vulnerability. It was published on April 29, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-4019?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-4019?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-4019?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-4019 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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