What the vulnerability does
01Description
The WP Ultimate CSV Importer – WordPress Import & Export for CSV, XML & Excel plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 8.0.1 via the 'MappedFields' parameter. This is due to missing capability checks on the AJAX handlers for install_addon, saveMappedFields, and StartImport, combined with the plugin nonce being exposed to any authenticated user who can load an admin page, allowing a Subscriber to install the Import WooCommerce add-on, persist attacker-controlled PHP expressions in the MappedFields parameter, and trigger evaluation via eval() in ImportHelpers::get_meta_values(). This makes it possible for authenticated attackers, with subscriber-level access and above, to execute code on the server.
Explanation of Vulnerability in Simple Terms
02Summary
WP Ultimate CSV Importer contains a code injection vulnerability in versions up to 8.0.1. An authenticated user with low privileges can inject and execute arbitrary PHP code on the site by manipulating CSV or XML import data. This allows complete compromise of the WordPress installation, including data theft and malware installation.
What an attacker can do
03Attacker Capabilities
Run arbitrary PHP code on the site and take full control of WordPress.
Potential impact on your site
04Site Impact
Any low-privilege user account can compromise your entire WordPress site, steal data, and install malware.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege WordPress account (e.g., subscriber or contributor role).
Key dates
06Disclosure timeline
July 11, 2026
CVE published
July 13, 2026
Record updated
