Medium severity · published Oct 16, 2026
CVE-2026-109982
MB Custom Post Types & Custom Taxonomies < 2.12.2 - Subscriber+ Missing Authorization via CPT UI Migration
4.2
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MC
MB Custom Post Types & Custom Taxonomies ·
before 2.12.2 · source: vendor
Affected product
MC
MB Custom Post Types & Custom Taxonomies
More from MB Custom Post Types & Custom Taxonomies
4.8
CVE-2026-110010
MB Custom Post Types & Custom Taxonomies 2.0.2 - 2.12.2 - Unauthenticated Settings Reset via 'mbcpt-force' Parameter
2.7
CVE-2026-110011
MB Custom Post Types & Custom Taxonomies 2.4.0 - 2.12.2 - Contributor+ Post Type Definition and Non-Public Post Metadata Disclosure via Export