CVE-2025-6440 WooCommerce Designer Pro <= 1.9.26 - Unauthenticated Arbitrary File Upload

Critical 9.8 Published Updated

Unauthenticated attackers can upload arbitrary files via missing validation, potentially leading to remote code execution on sites using this WordPress plugin.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-6440?

CVE-2025-6440 is a critical vulnerability in JMA Plugins WooCommerce Designer Pro, published on 24 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The WooCommerce Designer Pro plugin for WordPress, used by the Pricom - Printing Company & Design Services WordPress theme, is vulnerable to arbitrary file uploads due to missing file type validation in the 'wcdp_save_canvas_design_ajax' function in all versions up to, and including, 1.9.26. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

Weakness: CWE-434

Which versions are affected by CVE-2025-6440?

How do I fix CVE-2025-6440?

No fix has been published for CVE-2025-6440 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-6440 being exploited?

There is no known exploitation of CVE-2025-6440 in the wild and no public exploit code.

Public exploit code: 9 proofs of concept on GitHub.

Sources

Also known as GHSA-vf4q-9rpx-w639.

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