WooCommerce Designer Pro Plugin up to 1.9.26 on WordPress wcdp_save_canvas_design_ajax unrestricted upload

Summaryinfo

A vulnerability has been found in WooCommerce Designer Pro Plugin up to 1.9.26 on WordPress and classified as critical. The affected element is the function wcdp_save_canvas_design_ajax. This manipulation causes unrestricted upload. This vulnerability is handled as CVE-2025-6440. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in WooCommerce Designer Pro Plugin up to 1.9.26 on WordPress. It has been declared as critical. Affected by this vulnerability is the function wcdp_save_canvas_design_ajax. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at wordfence.com. This vulnerability is known as CVE-2025-6440. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/24/2025). The attack technique deployed by this issue is T1608.002 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-35804). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• E-Commerce Management Software

Name

• WooCommerce Designer Pro Plugin

Version

• 1.9.0
• 1.9.1
• 1.9.2
• 1.9.3
• 1.9.4
• 1.9.5
• 1.9.6
• 1.9.7
• 1.9.8
• 1.9.9
• 1.9.10
• 1.9.11
• 1.9.12
• 1.9.13
• 1.9.14
• 1.9.15
• 1.9.16
• 1.9.17
• 1.9.18
• 1.9.19
• 1.9.20
• 1.9.21
• 1.9.22
• 1.9.23
• 1.9.24
• 1.9.25
• 1.9.26

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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