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
The MB Custom Post Types & Custom Taxonomies WordPress plugin before 2.12.3 does not perform a capability check in its export feature, allowing users with a role as low as Contributor to read the configuration of admin-only custom post types and taxonomies, as well as the titles, dates, statuses and some stored content of other users' non-public posts and pages.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
MB Custom Post Types & Custom Taxonomiesto a version that resolves this vulnerability.Fixed in 2.12.3
Event History
Frequently Asked Questions
Which users can exploit this issue?
Any authenticated user assigned the Contributor role or a higher-privileged role can use the affected export feature. The issue does not require administrator-level access.
What information can be disclosed through the export feature?
An attacker can read configuration details for admin-only custom post types and taxonomies. They can also disclose titles, dates, statuses, and some stored content from other users' non-public posts and pages.
Which plugin versions are affected?
Versions 2.4.0 through 2.12.2 are affected. The issue is described as fixed in version 2.12.3.