What is CVE-2026-8422?

CVE-2026-8422 is a medium-severity vulnerability in Mr_mat Remove Meta Boxes Per User Role, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2026-06-02.

How severe is CVE-2026-8422?

Medium severity. CVSS v3 base score is 4.3 out of 10.

CSRF in Mr_mat Remove Meta Boxes Per User Role

CVE-2026-8422

The Remove meta boxes per user role plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.01. This is due to missing or incorrect nonce validation on the 'remove-meta-boxes-per-user-role'…

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.000 (3.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Mr_mat Remove Meta Boxes Per User Role — versions 0

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

Frequently asked questions

What is CVE-2026-8422?: CVE-2026-8422 is a medium-severity vulnerability in Mr_mat Remove Meta Boxes Per User Role, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2026-06-02.
How severe is CVE-2026-8422?: Medium severity. CVSS v3 base score is 4.3 out of 10.