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CVE-2026-97336

7.2 · HIGH

The CMB2 plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'file_list' Field Type in all versions up to, and including, 2.13.0 due to insufficient input sanitization and output…

Published Oct 2, 2026CWE-79EPSS 0.29%

Overview

CVE-2026-97336 is a high-severity vulnerability. It was published on October 2, 2026 and has a CVSS 3.1 base score of 7.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The CMB2 plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'file_list' Field Type in all versions up to, and including, 2.13.0 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. This is only exploitable when an integrating plugin or theme registers a file_list field on a publicly accessible front-end form or a user meta box, as CMB2 is a developer library and does not expose these fields by default.

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/cmb2/tags/2.13.0/includes/CMB2_Field.php#L617Refplugins.trac.wordpress.org/browser/cmb2/tags/2.13.0/includes/CMB2_Field.php#L748Refplugins.trac.wordpress.org/browser/cmb2/tags/2.13.0/includes/CMB2_Hookup.php#L953Refplugins.trac.wordpress.org/browser/cmb2/tags/2.13.0/includes/CMB2_Sanitize.php#L100Refplugins.trac.wordpress.org/browser/cmb2/tags/2.13.0/includes/CMB2_Utils.php#L690Refplugins.trac.wordpress.org/browser/cmb2/tags/2.13.0/includes/helper-functions.php#L320Refplugins.trac.wordpress.org/browser/cmb2/tags/2.13.0/includes/types/CMB2_Type_File_List.php#L51Refplugins.trac.wordpress.org/changeset?reponame=&old=3712103%40cmb2&new=3712103%40cmb2Refwww.wordfence.com/threat-intel/vulnerabilities/id/2d61a1f1-137e-4856-b5ff-b100143a8b47?source=cve

How CyberStrike helps

Frequently asked questions

What is CVE-2026-97336?

CVE-2026-97336 is a high-severity vulnerability. It was published on October 2, 2026 and has a CVSS 3.1 base score of 7.2 (HIGH).

How severe is CVE-2026-97336?

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-97336?

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-2026-97336?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-97336 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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