PostX < 5.0.41 - Unauthenticated Custom Field Key Disclosure via REST API
cve-program · CVE-2026-86783
PublishedThe 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.
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cve-program · CVE-2026-86783
PublishedPostX < 5.0.41 - Unauthenticated Custom Field Key Disclosure via REST API
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.
- Source published
- 23 Sep 2026 06:00:19 UTC
- Source modified
- 23 Sep 2026 10:55:10 UTC
- Saved here
- 23 Oct 2026 15:48:27 UTC
- Source terms
- CVE Program Terms of Use
Original source record · Cite this exact observation · Complete original publisher JSON
Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.