CVE-2026-1273CWE-918

PostX <= 5.0.8 - Authenticated (Administrator+) Server-Side Request Forgery via REST API Endpoints

High · published March 4, 2026

CVSS v3.1
7.2
EPSS
0%
Percentile
24.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00326 · 24.5th percentile
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-03-04T01:21Z
EPSS history
Timeline
  • 04 MAR 01:21Z
    PostX <= 5.0.8 - Authenticated (Administrator+) Server-Side Request Forgery via REST API Endpoints
    cvelistv5