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TI-2026-79198 Aliases CVE-2026-110011GHSA-r9xx-rhcx-ph2x

Missing capability check in MB Custom Post Types export feature

Priority LOW 13CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-863.

Summary

The MB Custom Post Types & Custom Taxonomies WordPress plugin from 2.4.0 before 2.12.3 lacks a capability check in its export feature. An authenticated user with the Contributor role or higher can read the configuration of admin-only custom post types and taxonomies, plus the titles, dates, statuses and some stored content of other users' non-public posts and pages. An exploit link is listed in the references. The weakness is classified as CWE-863.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00245 15th percentileScored 2026-11-08
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed MB Custom Post Types & Custom Taxonomies (Unknown): 2.12.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownMB Custom Post Types & Custom Taxonomies2.4.0 to before 2.12.32.12.3Patch availableCNA
  • MB Custom Post Types & Custom Taxonomies VendorUnknown Affected 2.4.0 to before 2.12.3 Fixed in 2.12.3 Patch available CNA

Remediation

Update MB Custom Post Types & Custom Taxonomies to version 2.12.3, the fixed version.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA MB Custom Post Types & Custom Taxonomies (Unknown) Fixed in 2.12.3

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    MB Custom Post Types & Custom Taxonomies 2.12.3

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-79197 Missing authorization in MB Custom Post Types & Custom TaxonomiesPriority LOW 21
    Show all 2 records →

Timeline

  1. 2026-10-22 Threatist record created from CVE-2026-110011
  2. 2026-10-22 Alias added: GHSA-r9xx-rhcx-ph2x
  3. 2026-10-22 CVSS score added · CISA ADP
  4. 2026-10-22 Weakness changed · CISA ADP
  5. 2026-10-22 CISA SSVC decision points changed

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences