PLUGIN SECURITY
Is Cmb2 safe?
CMB2 is a metabox, custom fields, and forms library for WordPress that will blow your mind.
What this plugin does
- Slug:
cmb2 - Author: Justin Sternberg
- 300000+ active installs
- 100/100 rating (91 reviews on wordpress.org)
- 5223344 all-time downloads
- On WordPress.org since 2014-09-16
fieldsformsmetaboxesoptionssettings
Maintenance status
- Latest known version: 2.12.0
- Last updated: 2026-05-31 2:41am GMT
- Tested up to WordPress: 7.0.4
- Requires PHP: 7.4+
- Max supported PHP (analyzed): 8.4
Known vulnerabilities
1 known CVE on file for Cmb2. Reported between 2024 and 2024.
| CVE | Vulnerability | Type | Severity | Affected | Fixed in | Published | Status |
|---|---|---|---|---|---|---|---|
| CVE-2024-1792 | CMB2 [cmb2] < 2.11.0 | Deserialization of Untrusted Data | High 7.5 | < 2.11.0 | 2.11.0 | 2024-04-03 | ✓ fixed in latest |
How to fix it
Keep Cmb2 updated — 2.12.0 is the latest version on wordpress.org, and each CVE above lists the exact release that fixed it ("Fixed in").
This is the plugin's full known vulnerability history, not a scan of any specific installation — run a free scan of your own site to check your exact installed version.
Safer / more established alternatives
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- Forminator Forms – Contact Form, Payment Form & Custom Form Builder — 600000+ active installs — 96/100 (2112)
- Ninja Forms – The Contact Form Builder That Grows With You — 600000+ active installs — 88/100 (1395) — max PHP 8.4
Check your own WordPress site
Run a free passive scan now, or create a free account and install the WP Clinic plugin for a deep scan of your whole hosting account and AI-assisted repair.