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)
- 5640809 all-time downloads
- On WordPress.org since 2014-09-16
fieldsformsmetaboxesoptionssettings
Maintenance status
- Latest known version: 2.12.0
- Last updated: 2026-10-09 2:25am GMT
- Tested up to WordPress: 7.1.3
- Requires PHP: 7.4+
- Max supported PHP (analyzed): 8.4
Known vulnerabilities
5 known CVEs on file for Cmb2. Reported between 2024 and 2026.
| CVE | Vulnerability | Type | Severity | Affected | Fixed in | Published | Status |
|---|---|---|---|---|---|---|---|
| CVE-2026-97336 | CMB2 [cmb2] < 2.13.1 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | High 7.2 | < 2.13.1 | 2.13.1 | 2026-10-01 | ⚠ update needed |
| CVE-2026-102772 | CMB2 [cmb2] < 2.13.2 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | High 7.2 | < 2.13.2 | 2.13.2 | 2026-10-01 | ⚠ update needed |
| CVE-2026-97270 | CMB2 [cmb2] < 2.13.1 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 6.5 | < 2.13.1 | 2.13.1 | 2026-09-30 | ⚠ update needed |
| 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 |
| CVE-2026-80338 | CMB2 [cmb2] < 2.13.0 | Missing Authorization | Unknown | < 2.13.0 | 2.13.0 | 2024-04-03 | ⚠ update needed |
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.
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Check your own WordPress site
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