CVE-2026-109982 MB Custom Post Types & Custom Taxonomies < 2.12.2 - Subscriber+ Missing Authorization via CPT UI Migration
Authenticated subscribers can trigger unauthorized migration actions, permanently deleting post-type configurations and creating published records.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-109982?
CVE-2026-109982 is a medium-severity missing authorization vulnerability in Unknown MB Custom Post Types & Custom Taxonomies, published on 16 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-862
Which versions are affected by CVE-2026-109982?
How do I fix CVE-2026-109982?
No fix has been published for CVE-2026-109982 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-109982 being exploited?
There is no known exploitation of CVE-2026-109982 in the wild and no public exploit code.
Sources
Also known as GHSA-45hq-3vxw-q94x.