PT-2026-33277 · WordPress · Betterdocs

Published 2026-04-16 · Updated 2026-04-16 · CVE-2026-3875

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions BetterDocs versions prior to 4.3.9

Description The BetterDocs plugin for WordPress contains a Stored Cross-Site Scripting issue via the 'betterdocs feedback form' shortcode. Insufficient input sanitization and output escaping on user supplied shortcode attributes allow authenticated attackers with contributor level access and above to inject arbitrary web scripts into pages. These scripts execute whenever a user accesses the affected page.

Recommendations Update to a version newer than 4.3.8.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-3875

Affected Products

Betterdocs

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-3875 · Security Note
• https://twitter.com/CVEnew/status/2044701556554269035 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/5b7e4c3c-a12e-4b11-9673-79a7060052a8?source=cve · Note
• https://twitter.com/VulmonFeeds/status/2044743382677717048 · Twitter Post
• 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 · Note