CVE-2026-121509

A security flaw has been discovered in Headless CMS Plugin up to 2.0.4 on WordPress. This affects the function get_required_post_data of the file /wp-json/rae/v1/post of the component REST API. The manipulation of the argument post_id/post_slug results in information disclosure. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

• CWE-200
• CWE-284

• https://app.notion.com/p/Unauthenticated-disclosure-of-draft-private-and-future-post-contentimranhsayed-headless-cms-2-0-4-3f384f1ea6a48057bb67ed0dd89f4157?source=copy_link
• https://vuldb.com/cve/CVE-2026-121509
• https://vuldb.com/submit/1019400
• https://vuldb.com/vuln/430285
• https://vuldb.com/vuln/430285/cti

Published

Nov 3, 2026

Last Modified

Nov 3, 2026

Status

Deferred

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