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CVE-2025-13864

5.3 · MEDIUM

The Breeze - WordPress Cache Plugin plugin for WordPress is vulnerable to unauthorized cache clearing in all versions up to, and including, 2.2.21.

Published Feb 19, 2026CWE-862EPSS 0.41%

Overview

CVE-2025-13864 is a medium-severity vulnerability. It was published on February 19, 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 Breeze - WordPress Cache Plugin plugin for WordPress is vulnerable to unauthorized cache clearing in all versions up to, and including, 2.2.21. This is due to the REST API endpoint `/wp-json/breeze/v1/clear-all-cache` being registered with `permission_callback => '__return_true'` and authentication being disabled by default when the API is enabled. This makes it possible for unauthenticated attackers to clear all site caches (page cache, Varnish, and Cloudflare) via a simple POST request, granted the administrator has enabled the API integration feature.

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

Refplugins.trac.wordpress.org/browser/breeze/tags/2.2.21/inc/breeze-admin.php#L749Refplugins.trac.wordpress.org/browser/breeze/tags/2.2.21/inc/class-breeze-api.php#L19Refplugins.trac.wordpress.org/browser/breeze/tags/2.2.21/inc/class-breeze-api.php#L22Refplugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3425199%40breeze&new=3425199%40breeze&sfp_email=&sfph_mail=Refwww.wordfence.com/threat-intel/vulnerabilities/id/5a3c16a5-65e5-4fe9-b7f0-2e021534c054?source=cve

How CyberStrike helps

Frequently asked questions

What is CVE-2025-13864?

CVE-2025-13864 is a medium-severity vulnerability. It was published on February 19, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-13864?

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-2025-13864?

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-2025-13864?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-13864 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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