Vulnerability · Published Apr 2, 2026 · Assigned by Wordfence
CVE-2026-4347MW WP Form <= 5.1.0 - Unauthenticated Arbitrary File Move via move_temp_file_to_upload_dir
High 8.1
In plain English
A high-severity path traversal in MW WP Form from inc2734. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities).
Official description
The MW WP Form plugin for WordPress is vulnerable to arbitrary file moving due to insufficient file path validation via the 'generate_user_filepath' function and the 'move_temp_file_to_upload_dir' function in all versions up to, and including, 5.1.0. This makes it possible for unauthenticated attackers to move arbitrary files on the server, which can easily lead to remote code execution when the right file is moved (such as wp-config.php). The vulnerability is only exploitable if a file upload field is added to the form and the “Saving inquiry data in database” option is enabled.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| inc2734 | MW WP Form | 0 – through 5.1.0 |
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/194ee4a0-87c3-42e5-9676-8dd355838b78?source=cve
- https://plugins.trac.wordpress.org/browser/mw-wp-form/tags/5.1.0/classes/controllers/class.main.php#L271
- https://plugins.trac.wordpress.org/browser/mw-wp-form/tags/5.1.0/classes/models/class.directory.php#L138