CVE-2026-1273

HIGH

PostX WordPress Plugin <=5.0.8 - Administrator Server-Side Request Forgery

Title source: manual
STIX 2.1

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.

References (6)

Core 6

Scores

CVSS v3 7.2
EPSS 0.0031
EPSS Percentile 22.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-918
Status published
Products (1)
wpxpo/Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX < 5.0.8
Published Mar 04, 2026
Tracked Since Mar 04, 2026