CVE-2026-1273

Description

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.

PUBLISHED Reserved 2026-01-20 | Published 2026-03-04 | Updated 2026-03-04 | Assigner Wordfence

Problem types

CWE-918 Server-Side Request Forgery (SSRF)

Product status

Timeline

Credits

Mohammad Amin Hajian finder

Pouria Shahba finder

References

www.wordfence.com/...-1712-415e-9995-cb7c8fe4e1a0?source=cve

plugins.trac.wordpress.org/...ags/5.0.5/classes/Importer.php

plugins.trac.wordpress.org/...ost/trunk/classes/Importer.php

plugins.trac.wordpress.org/...ost/trunk/classes/Importer.php

plugins.trac.wordpress.org/...ags/5.0.5/classes/Importer.php

plugins.trac.wordpress.org/...ate-post&sfp_email=&sfph_mail=

cve.org (CVE-2026-1273)

nvd.nist.gov (CVE-2026-1273)

Download JSON