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CMB2 · Security record

Is CMB2 safe?

No known vulnerability affects the current version (2.13.5). 6 issues were found in earlier versions and fixed, the latest disclosed on Oct 1, 2026.

Checked 2 days ago against the WPVulnerability database, for version 2.13.5.

How it’s looked after

Last release
Oct 27, 2026 (1 week ago)
Releases in the last year
7
Tested up to
WordPress 7.1.4
Active installs
300K+

6 known vulnerabilities

  • 3 high
  • 2 medium
  • 1 not rated

None affects the current version.

Disclosed each year

  • 20242
  • 20264

Every known vulnerability in CMB2

Newest first, with any that affect the current version at the top.

Questions about CMB2’s security

Is CMB2 safe to use?

No known vulnerability affects its current version. Earlier versions had issues that are now fixed, so keep CMB2 updated: most attacks target sites that haven’t updated.

Does CMB2 have known security vulnerabilities?

None that affect the current version. WPVulnerability’s database lists 6 older issues, fixed in earlier versions, so keep CMB2 up to date.

Is CMB2 still maintained?

Yes. Its last release was 1 week ago. No support threads were opened in the last two months.

Is CMB2 compatible with the latest WordPress?

Yes. It’s tested up to WordPress 7.1.4, the current version.

Hear about the next one first

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Vulnerability data from WPVulnerability (CC0), which gathers records from CVE, Wordfence, Patchstack and WPScan. A clean record isn’t a guarantee: keep every plugin updated.