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CVE-2026-6393

MEDIUM 4.3 CVSS 3.1
Published
April 24, 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:L/UI:N/S:U/C:N/I:L/A:N

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.

Affected WordPress components

  • BetterDocs – AI Documentation, Knowledge Base, MCP Server, Docs, Wikis, FAQ & Chatbot Plugin · betterdocs
    Confirmed match Active
    Up to and including 4.3.11
    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

  • wpdevteam BetterDocs – Knowledge Base Docs & FAQ Solution for Elementor & Block Editor — Up to and including 4.3.11

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/betterdocs/tags/4.3.6/includes/Core/WriteWithAI.php#L138
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/betterdocs/tags/4.3.6/includes/Core/WriteWithAI.php#L31
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/betterdocs/trunk/includes/Core/WriteWithAI.php#L138
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/betterdocs/trunk/includes/Core/WriteWithAI.php#L31
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3512640%40betterdocs&new=3512640%40betterdocs&sfp_email=&sfph_mail=
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/432b11be-174d-45d6-aa3b-2fbfa85ec17a?source=cve
  • nvd.nist.gov Official NVD record