Monitor vulnerabilities like this one.
Sign up free to get alerted when software you use is affected.
7.2
PostX plugin for WordPress allows hackers to access internal systems
CVE-2026-1273
Summary
The PostX plugin for WordPress, used by news and magazine websites, has a security flaw that lets attackers with administrator access access internal systems and data. This could potentially allow them to steal sensitive information or disrupt website operations. To stay safe, update the plugin to version 5.0.9 or later.
Original title
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 `/ult...
Original 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.
nvd CVSS3.1
7.2
Vulnerability type
CWE-918
Server-Side Request Forgery (SSRF)
- https://plugins.trac.wordpress.org/browser/ultimate-post/tags/5.0.5/classes/Impo...
- https://plugins.trac.wordpress.org/browser/ultimate-post/tags/5.0.5/classes/Impo...
- https://plugins.trac.wordpress.org/browser/ultimate-post/trunk/classes/Importer....
- https://plugins.trac.wordpress.org/browser/ultimate-post/trunk/classes/Importer....
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old...
- https://www.wordfence.com/threat-intel/vulnerabilities/id/afe6d4ac-1712-415e-999...
Published: 4 Mar 2026 · Updated: 13 Mar 2026 · First seen: 6 Mar 2026