What the vulnerability does
01Description
The Mail Mint plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the process_contact_attribute_import function in all versions up to, and including, 1.18.10. This makes it possible for authenticated attackers, with Administrator-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.
Explanation of Vulnerability in Simple Terms
02Summary
Mail Mint allows authenticated administrators to upload files without proper validation. An attacker with admin access can upload malicious files to the site, potentially including PHP code that executes on the server. This affects all versions up to 1.18.10. Update to a version newer than 1.18.10 to resolve the issue.
What an attacker can do
03Attacker Capabilities
Upload malicious files (including PHP code) to the site and execute them on the server.
Potential impact on your site
04Site Impact
A compromised admin account can lead to full site takeover through arbitrary file upload and code execution.
Conditions required to exploit
05Prerequisites
Attacker must have WordPress administrator privileges; no user interaction required.
Key dates
06Disclosure timeline
November 8, 2025
CVE published
April 8, 2026
Record updated