How severe is CVE-2024-10728?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2024-10728 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Wpxpo Post Grid Gutenberg Blocks For News, Magazines, Blog Websites – Postx

CVE-2024-10728

The Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX plugin for WordPress is vulnerable to unauthorized plugin installation/activation due to a missing capability check on the 'install_required_plugin_callback' function in all versions up to, and including, 4.1.16. This makes it possible for authenticated attackers, with Subscriber-level access and above, to install and activate arbitrary plugins which can be leveraged to achieve remote code execution if another vulnerable plugin is installed and activated.

Vulnerability class: Broken Access Control

Published 2024-11-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.382 (98.5th percentile), scored 2026-09-27.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.382 · newest: 0.382 · change: 0.000

Affected products

Wpxpo Post Grid Gutenberg Blocks For News, Magazines, Blog Websites – Postx — versions 0
Wpxpo Postx

Weakness classification (CWE)

CWE-862 — Missing Authorization

Public proof-of-concept exploits

References

www.wordfence.com/threat-intel/vulnerabilities/id/076f36fb-c2fb-43e0-a027-1351d… (Third Party Advisory)
plugins.trac.wordpress.org/browser/ultimate-post/tags/4.1.16/classes/Importer.p… (Product)
plugins.trac.wordpress.org/browser/ultimate-post/tags/4.1.16/classes/Initializa… (Product)
wordpress.org/plugins/ultimate-post/ (Product)
plugins.trac.wordpress.org/changeset/3188636/ultimate-post/trunk/classes/Import… (Patch)

Frequently asked questions

What is CVE-2024-10728?: CVE-2024-10728 is a high-severity vulnerability in Wpxpo Post Grid Gutenberg Blocks For News, Magazines, Blog Websites – Postx, classified under Missing Authorization. CVSS score: 8.8/10. Published 2024-11-16.
How severe is CVE-2024-10728?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2024-10728 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.