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6.4
BetterDocs Plugin for WordPress: Stored Cross-Site Scripting Risk
CVE-2026-3875
Summary
The BetterDocs plugin for WordPress contains a security flaw that allows attackers to inject malicious code into certain pages. This could lead to unauthorized actions on your website. Update the plugin to version 4.3.9 or later to fix this issue.
Original title
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 insufficien...
Original 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.
nvd CVSS3.1
6.4
Vulnerability type
CWE-79
Cross-site Scripting (XSS)
Published: 16 Apr 2026 · Updated: 16 Apr 2026 · First seen: 16 Apr 2026