CVE-2024-5326: Wpxpo Post Grid Gutenberg Blocks For News, Magazines, Blog Websites – Postx

High severity, CVSS 8.8. EPSS: 1.4% chance of exploitation in the next 30 days.

The Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'postx_presets_callback' function in all versions up to, and including, 4.1.2. This makes it possible for authenticated attackers, with Contributor-level access and above, to change arbitrary options on affected sites. This can be used to enable new user registration and set the default role for new users to Administrator.

Affected products

• Wpxpo Post Grid Gutenberg Blocks For News, Magazines, Blog Websites – Postx: up to and including 4.1.2

Published 2024-05-30. Last modified 2026-06-17.