Rede Itaú for WooCommerce Plugin up to 5.1.2 on WordPress improper authorization

Summaryinfo

A vulnerability classified as critical has been found in Rede Itaú for WooCommerce Plugin up to 5.1.2 on WordPress. Affected is an unknown function. The manipulation leads to improper authorization. This vulnerability is uniquely identified as CVE-2026-0939. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Rede Itaú for WooCommerce Plugin up to 5.1.2 on WordPress. This issue affects some unknown processing. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is integrity, and availability. The summary by CVE is:

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.

The advisory is shared at wordfence.com. The identification of this vulnerability is CVE-2026-0939. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/17/2026). MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• E-Commerce Management Software

Name

• Rede Itaú for WooCommerce Plugin

Version

• 5.1.0
• 5.1.1
• 5.1.2

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CPE 2.2info

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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