CVE-2026-13353
HIGHWP Ultimate CSV Importer <= 8.0.1 - Missing Authorization to Authenticated (Subscriber+) Remote Code Execution via 'MappedFields' Parameter
Title source: cnaExploitation Summary
EIP tracks 1 public exploit for CVE-2026-13353. PoCs published by incogbyte.
AI-analyzed exploit summary This exploit demonstrates a missing authorization vulnerability in WP Ultimate CSV Importer <= 8.0.1, where a Subscriber can forge AJAX requests to store malicious PHP expressions in mapping templates. These expressions execute via eval() when an Administrator processes an import, leading to remote code execution.
Description
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.
Exploits (1)
This exploit demonstrates a missing authorization vulnerability in WP Ultimate CSV Importer <= 8.0.1, where a Subscriber can forge AJAX requests to store malicious PHP expressions in mapping templates. These expressions execute via eval() when an Administrator processes an import, leading to remote code execution.
Scores
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H