Auth bypass in Larrykim Wp-chatbot For Messenger
CVE-2026-3506
The WP-Chatbot for Messenger plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.9. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes…
Vulnerability class: Broken Access Control
EPSS: 0.001 (28.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Larrykim Wp-chatbot For Messenger — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/32cce973-bc3b-45f1-ad4d-ff395…
- plugins.trac.wordpress.org/browser/wp-chatbot/trunk/inc/MobileMonkeyApi.php
- plugins.trac.wordpress.org/browser/wp-chatbot/tags/4.9/inc/MobileMonkeyApi.php
- plugins.trac.wordpress.org/browser/wp-chatbot/tags/4.9/inc/MobileMonkeyApi.php
- plugins.trac.wordpress.org/browser/wp-chatbot/tags/4.9/inc/MobileMonkeyApi.php
- plugins.trac.wordpress.org/browser/wp-chatbot/tags/4.9/admin/class-htcc-admin.p…
- plugins.trac.wordpress.org/browser/wp-chatbot/tags/4.9/admin/admin.php
- plugins.trac.wordpress.org/browser/wp-chatbot/tags/4.9/inc/class-ht-cc.php
Frequently asked questions
- What is CVE-2026-3506?
- CVE-2026-3506 is a medium-severity vulnerability in Larrykim Wp-chatbot For Messenger, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-03-21.
- How severe is CVE-2026-3506?
- Medium severity. CVSS v3 base score is 5.3 out of 10.