CVE-2026-1273 — PostX <= 5.0.8 - Authenticated (Administrator+) Server-Side Request Forgery via REST API Endpoints
The Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including,…
Published: 2026-03-04 · CVSS: 7.2 · CVSS 3.1
The Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 5.0.8 via the `/ultp/v3/starter_dummy_post/` and `/ultp/v3/starter_import_content/` REST API endpoints. This makes it possible for authenticated attackers, with Administrator-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7