Auth bypass in Livemesh Addons For Beaver Builder
CVE-2026-3897
The Livemesh Addons for Beaver Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `labb_admin_ajax` AJAX action in all versions up to, and including, 3.9.2 due to missing authorization checks and insufficient…
Vulnerability class: Broken Access Control
EPSS: 0.000 (8.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
Affected products
- Livemesh Addons For Beaver Builder — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-3897?
- CVE-2026-3897 is a medium-severity vulnerability in Livemesh Addons For Beaver Builder, classified under Missing Authorization. CVSS score: 6.4/10. Published 2026-05-27.
- How severe is CVE-2026-3897?
- Medium severity. CVSS v3 base score is 6.4 out of 10.