Helloprint <= 2.1.2 - Missing Authorization to Unauthenticated Arbitrary Order Status Modification

5.3
Missing Authorization
CVE CVE-2025-13666
CVSS 5.3 (Medium)
Publicly Published December 5, 2025
Last Updated December 6, 2025
Researcher Md. Moniruzzaman Prodhan (NomanProdhan) - Knight Squad

Description

The Helloprint plugin for WordPress is vulnerable to Missing Authorization in versions up to, and including, 2.1.2. This is due to the plugin registering a public REST API endpoint without implementing authorization checks to verify request authenticity. This makes it possible for unauthenticated attackers to arbitrarily modify WooCommerce order statuses via the /wp-json/helloprint/v1/complete_order_from_helloprint_callback endpoint by providing a valid order reference ID.

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Vulnerability Details for Plug your WooCommerce into the largest catalog of customized print products from Helloprint

Software Type Plugin
Software Slug helloprint (view on wordpress.org)
Patched? No
Remediation No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
Affected Version
  • <= 2.1.2

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