Auth bypass in Meta Box Aio

CVE-2026-14488

The Meta Box AIO plugin for WordPress is vulnerable to Missing Authorization via the template_redirect dispatcher in the MB Frontend Submission extension in versions up to, and including, 3.8.0. This is due to the handle_request() function…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-14488?
CVE-2026-14488 is a critical-severity vulnerability in Meta Box Aio, classified under Missing Authorization. CVSS score: 9.1/10. Published 2026-07-29.
How severe is CVE-2026-14488?
Critical severity. CVSS v3 base score is 9.1 out of 10.