WooCommerce Registration Form for WooCommerce Plugin up to 1.1.2 on WordPress privileges management

Summaryinfo

A vulnerability has been found in WooCommerce Registration Form for WooCommerce Plugin up to 1.1.2 and classified as problematic. The affected element is an unknown function. The manipulation leads to privileges management. This vulnerability is uniquely identified as CVE-2026-81431. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in WooCommerce Registration Form for WooCommerce Plugin up to 1.1.2. It has been rated as problematic. This issue affects an unknown part. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is integrity, and availability. The summary by CVE is:

The Registration Form for WooCommerce WordPress plugin before 1.1.3 does not validate that the form referenced during registration is a legitimate registration form, reading the permitted-role allow-list from an arbitrary attacker-controlled post instead. A user able to create a post (Contributor and above) can therefore register a new account with an arbitrary role, including Administrator, leading to full site takeover. This is an incomplete fix of CVE-2026-54807.

The advisory is shared at wpscan.com. The identification of this vulnerability is CVE-2026-81431 since 08/26/2026. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 1.1.3 eliminates this vulnerability.

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Productinfo

Type

• WordPress Plugin

Vendor

• WooCommerce

Name

• Registration Form for WooCommerce Plugin

Version

• 1.1.0
• 1.1.1
• 1.1.2

CPE 2.3info

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CPE 2.2info

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• 🔒
• 🔒

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