Kubio AI Page Builder Missing Authorization Vulnerability in WordPress

Vulnerability

A vulnerability exists in the Kubio AI Page Builder plugin for WordPress, allowing unauthorized plugin installation. This issue arises from a lack of capability checks on the 'kubio-image-hub-install-plugin' AJAX action, affecting all versions up to and including 2.6.3. As a result, authenticated attackers with Subscriber-level access or higher can install the Image Hub plugin.

Impact

Exploitation of this vulnerability allows for unauthorized installation of plugins, which could lead to further security risks or functionality changes on the affected WordPress site.

Reproduction

To reproduce this vulnerability, an authenticated user with Subscriber-level access or higher can send a request to the 'kubio-image-hub-install-plugin' AJAX action. The absence of a proper capability check allows the installation of the Image Hub plugin without the necessary permissions.

Remediation

Users are advised to update the Kubio AI Page Builder plugin to version 2.6.5 or a newer patched version.

Added: Sep 19, 2025, 4:22 AM
Updated: Sep 19, 2025, 4:22 AM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
2.5
exploitability
6.3
remediation
7.7
relevance
0.5
threat
4.8
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.