CVE-2026-8422 Remove meta boxes per user role <= 1.01 - Cross-Site Request Forgery to Settings Update
Unauthenticated attackers can trick administrators into modifying plugin settings via CSRF, requiring an upgrade to fix.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-8422?
CVE-2026-8422 is a medium-severity vulnerability in mr_mat Remove meta boxes per user role, published on 2 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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' page. This makes it possible for unauthenticated attackers to modify or reset the plugin's per-role meta box visibility settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Weakness: CWE-352
Which versions are affected by CVE-2026-8422?
How do I fix CVE-2026-8422?
No fix has been published for CVE-2026-8422 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-8422 being exploited?
There is no known exploitation of CVE-2026-8422 in the wild and no public exploit code.
Sources
Also known as GHSA-fv5f-r3j5-3jxv.