CVE-2026-86783

MEDIUMCVSS 5.3

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.

Timeline

Published:September 23rd, 2026 6:17 AM

Last modified:September 23rd, 2026 6:13 PM

CVSS Scoring

CVSS v3: 5.3 (MEDIUM)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weaknesses (CWE)

CWE-200

References & Reports

Advisories, patches, and third-party reports

https://wpscan.com/vulnerability/719fc130-748b-4bad-8091-2858664299ed/

Source: NIST NVD · Data may lag official sources by up to one minute