Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Headless CMS Plugin | 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4 | — |
References
- VDB-430285 | Headless CMS Plugin REST API post get_required_post_data information disclosure vdb-entry technical-description
- VDB-430285 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- CVE-2026-121509 | CVE Analysis and Report third-party-advisory
- Submit #1019400 | Imran Sayed Headless CMS 2.0.4 Exposure of Sensitive Information to an Unauthorized Actor third-party-advisory
- https://app.notion.com/p/Unauthenticated-disclosure-of-draft-private-and-future-post-contentimranhsayed-headless-cms-2-0-4-3f384f1ea6a48057bb67ed0dd89f4157?source=copy_link exploit