4.2

CVE-2026-109982: unknown mb custom post types & custom taxonomies Missing Authorization

CVSS: 4.2v3.1MediumDeferred
Published 16-10-2026Last modified 16-10-2026
Open JSON

Vulnerability summary

CVE-2026-109982 is a medium (CVSS 4.2) Missing Authorization vulnerability in unknown mb custom post types & custom taxonomies. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 6.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
4.2/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.18%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 16-10-2026
    PublishedVulnerability first disclosed.
  2. 16-10-2026
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

7%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

16-10-202620-10-2026
EPSS score
0.18%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (wpscan.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Unknown1 product

1 vendor · 1 product

References

1 links