Vulnerability · Published Jan 16, 2026 · Assigned by Wordfence
CVE-2026-0939Rede Itaú for WooCommerce — Payment PIX, Credit Card and Debit <= 5.1.2 - Unauthenticated Order Status Manipulation
Medium 5.3
In plain English
A medium-severity insufficient verification of data authenticity in Rede Itaú for WooCommerce — Payment PIX, Credit Card and Debit from linknacional. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Official description
The Rede Itaú for WooCommerce plugin for WordPress is vulnerable to order status manipulation due to insufficient verification of data authenticity in all versions up to, and including, 5.1.2. This is due to the plugin failing to verify the authenticity of payment callbacks. This makes it possible for unauthenticated attackers to manipulate WooCommerce order statuses, either marking unpaid orders as paid, or failed.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| linknacional | Rede Itaú for WooCommerce — Payment PIX, Credit Card and Debit | 0 – through 5.1.2 |
Weakness: CWE-345 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/722c666b-913f-4289-82e6-30aa0a3abc2b?source=cve
- https://plugins.trac.wordpress.org/browser/woo-rede/tags/5.1.2/Includes/LknIntegrationRedeForWoocommerceWcEndpoint.php#L45
- https://plugins.trac.wordpress.org/browser/woo-rede/tags/5.1.2/Includes/LknIntegrationRedeForWoocommerceWcEndpoint.php#L460
- https://plugins.trac.wordpress.org/browser/woo-rede/tags/5.1.2/Includes/LknIntegrationRedeForWoocommerceWcEndpoint.php#L710
- https://plugins.trac.wordpress.org/changeset/3441046/woo-rede/tags/5.1.3/Includes/LknIntegrationRedeForWoocommerceWcEndpoint.php