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CVE-2026-3875

MEDIUM 6.4 CVSS 3.1
Published
April 16, 2026
Last modified
June 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Description

The BetterDocs plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'betterdocs_feedback_form' shortcode in all versions up to, and including, 4.3.8. This is due to insufficient input sanitization and output escaping on user supplied shortcode attributes. This makes it possible for authenticated attackers, with contributor level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected WordPress components

  • BetterDocs – AI Documentation, Knowledge Base, MCP Server, Docs, Wikis, FAQ & Chatbot Plugin · betterdocs
    Confirmed match Active
    Up to and including 4.3.8
    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 4.3.8

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?old_path=betterdocs/tags/4.3.8/views/shortcodes/feedback-form.php&new_path=betterdocs/tags/4.3.9/views/shortcodes/feedback-form.php
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/5b7e4c3c-a12e-4b11-9673-79a7060052a8?source=cve
  • nvd.nist.gov Official NVD record