What’s Vulnerable › Vulnerabilities

CVE-2026-3875: BetterDocs <= 4.3.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-16 · updated 2026-06-17
• Weakness: CWE-79

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 products

• wpdevteam BetterDocs – Knowledge Base Docs & FAQ Solution for Elementor & Block Editor: through 4.3.8

References

• 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
• https://www.wordfence.com/threat-intel/vulnerabilities/id/5b7e4c3c-a12e-4b11-9673-79a7060052a8?source=cve

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