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CVE-2026-6393

4.3 · MEDIUM

The BetterDocs plugin for WordPress is vulnerable to Missing Authorization in versions up to and including 4.3.11.

Published Apr 24, 2026CWE-862EPSS 0.35%

Overview

CVE-2026-6393 is a medium-severity vulnerability. It was published on April 24, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

The BetterDocs plugin for WordPress is vulnerable to Missing Authorization in versions up to and including 4.3.11. This is due to a missing capability check in the generate_openai_content_callback() function, which relies solely on a nonce rather than verifying user permissions. This makes it possible for authenticated attackers, with subscriber-level access and above, to trigger OpenAI API calls using the site's configured API key with arbitrary user-controlled prompts, leading to unauthorized consumption of the site owner's paid AI API quota.

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/betterdocs/tags/4.3.6/includes/Core/WriteWithAI.php#L138Refplugins.trac.wordpress.org/browser/betterdocs/tags/4.3.6/includes/Core/WriteWithAI.php#L31Refplugins.trac.wordpress.org/browser/betterdocs/trunk/includes/Core/WriteWithAI.php#L138Refplugins.trac.wordpress.org/browser/betterdocs/trunk/includes/Core/WriteWithAI.php#L31Refplugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3512640%40betterdocs&new=3512640%40betterdocs&sfp_email=&sfph_mail=Refwww.wordfence.com/threat-intel/vulnerabilities/id/432b11be-174d-45d6-aa3b-2fbfa85ec17a?source=cve

How CyberStrike helps

Frequently asked questions

What is CVE-2026-6393?

CVE-2026-6393 is a medium-severity vulnerability. It was published on April 24, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-6393?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-6393?

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-2026-6393?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-6393 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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