Fancy Product Designer: Cross-site scripting

Fancy Product Designer (affected: <= 6.5.2). An unauthenticated attacker can store script markup in elements[].title in shortcode-order JSON. When an administrator reviews the order, the beforeElementAdd JavaScript handler places the value into innerHTML, executing script in the admin browser. The order-submission route is unspecified.

CVE / CNA score 7.2 CVSS 3.1 · security@wordfence.com

NVD score Pending NVD has not published its own CVSS assessment.

Component: Fancy Product Designer
Plugin slug: fancy-product-designer
Affected: <= 6.5.2
Safe version: See mitigation notes
Published: Sep 25, 2026
Weakness: CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Sep 25, 2026 and is one of 18 known issues for this plugin.

What to do

Update, patch or deactivate.

No confirmed fixed release is identified. Render element titles as text rather than innerHTML and validate decoded order data before storage; disable public shortcode orders until fixed and treat existing orders as untrusted.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Source record

Technical description

The Fancy Product Designer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Shortcode Order 'elements[].title' Parameter in all versions up to, and including, 6.5.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The injected payload is written to the DOM via innerHTML within the beforeElementAdd JavaScript event handler when processing the elements[].title field from the stored order JSON, meaning execution occurs specifically when an administrator reviews shortcode orders in the WordPress admin panel.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

References

Primary and upstream sources

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