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CVE-2026-86783

MEDIUM 5.3 CVSS 3.1
Published
September 23, 2026
Last modified
September 23, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-200
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Description

The Post Grid Gutenberg Blocks WordPress plugin before 5.0.41 does not perform an authorization or post-visibility check on a REST API route that returns the custom field keys of a given post, allowing unauthenticated users to disclose the custom field key names of arbitrary posts, including private, draft, pending, scheduled and password-protected posts.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Post Grid Gutenberg Blocks — Before 5.0.41

References

  • wpscan.com https://wpscan.com/vulnerability/719fc130-748b-4bad-8091-2858664299ed/
  • nvd.nist.gov Official NVD record