---
id: CVE-2026-109982
title: >-
  MB Custom Post Types & Custom Taxonomies < 2.12.2 - Subscriber+ Missing
  Authorization via CPT UI Migration
summary: >-
  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 mig…
severity: medium
cvss: 4.2
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L'
cvssSource: adp
cwe:
  - CWE-862
product: MB Custom Post Types & Custom Taxonomies
affected:
  - mb_custom_post_types_custom_taxonomies < 2.12.2
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-16T14:38:53.458124Z'
published: '2026-10-16'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T14:49:21.095Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-109982'
references:
  - url: 'https://wpscan.com/vulnerability/27787d4e-1633-4eb6-bcf4-0a8586df3d47/'
tags:
  - cve.org
epss: 0.00142
epssPercentile: 0.03107
ingestedAt: '2026-10-16T07:01:11.488Z'
---

## Overview

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.

## Affected

- `mb_custom_post_types_custom_taxonomies < 2.12.2`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.