A vulnerability was found in Flexible Checkout Fields for WooCommerce Plugin up to 2.3.1 on WooCommerce (E-Commerce Management Software). It has been declared as problematic. This vulnerability affects the function updateSettingsAction of the component Setting Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

The Flexible Checkout Fields for WooCommerce plugin for WordPress is vulnerable to Unauthenticated Arbitrary Plugin Settings update, in addition to Stored Cross-Site Scripting in versions up to, and including, 2.3.1. This is due to missing authorization checks on the updateSettingsAction() function which is called via an admin_init hook, along with missing sanitization and escaping on the settings that are stored.

The weakness was shared 06/07/2023. The advisory is available at wordfence.com. This vulnerability was named CVE-2020-36731 since 06/06/2023. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

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

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• E-Commerce Management Software

Name

• Flexible Checkout Fields for WooCommerce Plugin

Version

• 2.3.0
• 2.3.1

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CPE 2.2info

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