{"id":"CVE-2026-86783","title":"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 …","summary":"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 …","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-200"],"product":"Post Grid Gutenberg Blocks","affected":["post_grid_gutenberg_blocks < 5.0.41"],"published":"2026-09-23","updated":"2026-09-23","sourceUpdated":"2026-09-23T11:17:14.857","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-86783","references":[{"url":"https://wpscan.com/vulnerability/719fc130-748b-4bad-8091-2858664299ed/","label":"contact@wpscan.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-23T10:39:47.271809Z"},"ingestedAt":"2026-09-23T06:17:57.894Z","slug":"CVE-2026-86783","body":"## Overview\n\nThe 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":209606,"id":"CVE-2026-86783","ts":1790162587328,"field":"cvss","old":null,"new":"5.3"},{"seq":209605,"id":"CVE-2026-86783","ts":1790162587328,"field":"severity","old":"none","new":"medium"}]}