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CVE-2026-103889

CRITICAL 9.8 CVSS 3.1
Published
October 10, 2026
Last modified
October 13, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-434
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The 3D Product configurator for WooCommerce plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 2.16.2 via the 'xpv_image' parameter parameter. This is due to missing authentication and nonce checks on the wp_loaded handler combined with no sanitization of the xpv_image POST parameter before it is echoed unescaped into a Dompdf-rendered HTML template with PHP execution enabled. This makes it possible for unauthenticated attackers to execute code on the server. The only nonce and authentication check in the handler is entirely enclosed in a block comment with no replacement, making the endpoint reachable via a single unauthenticated POST to any URL on the site.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • expivi 3D Product configurator for WooCommerce — Up to and including 2.16.2

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/expivi/tags/2.16.2/classes/pdf/class-pdf.php#L34
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/expivi/tags/2.16.2/classes/woocommerce/class-expivi-cart-manager.php#L212
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/expivi/tags/2.16.2/classes/woocommerce/class-expivi-cart-manager.php#L238
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/expivi/tags/2.16.2/classes/woocommerce/class-expivi-cart-manager.php#L598
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/expivi/tags/2.16.2/classes/woocommerce/class-expivi-cart-manager.php#L95
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/expivi/tags/2.16.2/templates/pdf/pdf-configuration-details.phtml#L199
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&old=3723323%40expivi&new=3723323%40expivi
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/46f69f7b-6d9b-494d-b123-63fc5ebcb6f3?source=cve
  • nvd.nist.gov Official NVD record