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Vulnerabilities

Vulnerability · CVE-2026-109982

MB Custom Post Types & Custom Taxonomies < 2.12.2 - Subscriber+ Missing Authorization via CPT UI Migration

Published Oct 16, 2026 · catalog updated Oct 16, 2026 · Unknown MB Custom Post Types & Custom Taxonomies

Check if you run it

No confirmed exploitation is on record for CVE-2026-109982. EPSS is 0.18%. Act only if a listed version of Unknown MB Custom Post Types & Custom Taxonomies is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.2
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.18%
Remediation
Version ranges on file
Affected products
stated MB Custom Post Types & Custom Taxonomies · vendor Unknown MB Custom Post Types & Custom Taxonomies

The MB Custom Post Types & Custom Taxonomies WordPress plugin before 2.12.2 does not perform a capability check or validate a nonce on its migration actions, allowing any authenticated user, such as a subscriber, to trigger a one-way migration that creates published records and permanently deletes a companion MB Custom Post Types & Custom Taxonomies WordPress plugin before 2.12.2's entire post-type and taxonomy configuration.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • stated MB Custom Post Types & Custom Taxonomies< 2.12.2
  • vendor Unknown MB Custom Post Types & Custom Taxonomiesversion unspecified

How to fix CVE-2026-109982

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-109982. EPSS is 0.18%. Act only if a listed version of Unknown MB Custom Post Types & Custom Taxonomies is installed.

Which versions are affected?

Compare what you have installed with MB Custom Post Types & Custom Taxonomies < 2.12.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.18%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 16, 2026 · NIST NVD

    Detected

    The MB Custom Post Types & Custom Taxonomies WordPress plugin before 2.12.2 does not perform a capability check or validate a nonce on its migration actions, allowing any authenticated user, such as a subscriber, to trigger a one-way migration that creates published records and permanently deletes a companion MB Custom Post Types & Custom Taxonomies WordPress plugin before 2.12.2's entire post-typ

  2. Oct 16, 2026 · CVE.org

    Updated

    The MB Custom Post Types & Custom Taxonomies WordPress plugin before 2.12.2 does not perform a capability check or validate a nonce on its migration actions, allowing any authenticated user, such as a subscriber, to trigger a one-way migration that creates published records and permanently deletes a companion MB Custom Post Types & Custom Taxonomies WordPress plugin before 2.12.2's entire post-typ

Sources

  • CVE.orgVulnerability recordCVE-2026-109982

    The MB Custom Post Types & Custom Taxonomies WordPress plugin before 2.12.2 does not perform a capability check or validate a nonce on its migration actions, allowing any authenticated user, such as a subscriber, to trigger a one-way migration that creates published records and p

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-109982

    30-day exploitation probability 0.2%

    first.org
  • NIST NVDVulnerability recordCVE-2026-109982

    The MB Custom Post Types & Custom Taxonomies WordPress plugin before 2.12.2 does not perform a capability check or validate a nonce on its migration actions, allowing any authenticated user, such as a subscriber, to trigger a one-way migration that creates published records and p

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.