What the vulnerability does
01Description
The Drag and Drop Multiple File Upload for Contact Form 7 plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 1.3.9.0 via the wpcf7_guest_user_id cookie. This makes it possible for unauthenticated attackers to upload and delete files outside of the originally intended directory. The impact of this vulnerability is limited, as file types are validated and only safe ones can be uploaded, while deletion is limited to the plugin's uploads folder.
Explanation of Vulnerability in Simple Terms
02Summary
The Drag and Drop Multiple File Upload for Contact Form 7 plugin contains a path traversal vulnerability that allows unauthenticated attackers to write files to unintended locations on the server. The vulnerability requires no user interaction and can be exploited over the network. An attacker can upload files outside the intended directory, potentially overwriting or creating malicious files.
What an attacker can do
03Attacker Capabilities
Write files to arbitrary locations on the server without authentication.
Potential impact on your site
04Site Impact
Attackers can overwrite or create files on your server, potentially compromising site functionality or injecting malicious code.
Conditions required to exploit
05Prerequisites
Network access to the site; no authentication or user interaction required.
Key dates
06Disclosure timeline
August 16, 2025
CVE published
April 8, 2026
Record updated
