What the vulnerability does
01Description
The Post Grid, Slider & Carousel Ultimate – with Shortcode, Gutenberg Block & Elementor Widget plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 1.6.10 via the 'theme' parameter of the post_type_ajax_handler() function. This makes it possible for authenticated attackers, with Contributor-level access and above, to include and execute arbitrary files on the server, allowing the execution of any PHP code in those files. This can be used to bypass access controls, obtain sensitive data, or achieve code execution in cases where images and other “safe” file types can be uploaded and included.
Explanation of Vulnerability in Simple Terms
02Summary
A path traversal vulnerability in Post Grid, Slider & Carousel Ultimate allows authenticated users with low privileges to read, modify, or delete arbitrary files on the server. The vulnerability requires network access and high attack complexity but grants full read and write access to the file system. Sites running version 1.6.10 or earlier are affected.
What an attacker can do
03Attacker Capabilities
Read, modify, or delete arbitrary files on the server.
Potential impact on your site
04Site Impact
An authenticated user can access sensitive files, modify site configuration, or delete critical data.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege authenticated account on the site.
Key dates
06Disclosure timeline
January 24, 2025
CVE published
April 8, 2026
Record updated
