CVE-2026-81431 Details
Description
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.
A privilege escalation vulnerability has been identified in the Registration Form for WooCommerce WordPress plugin, affecting versions prior to 1.1.3. The vulnerability arises because the plugin fails to properly validate the registration form referenced during user registration. Instead, it reads the allowed roles from an arbitrary post controlled by the attacker. This flaw enables users with post creation capabilities (Contributors and above) to register accounts with any role, including Administrator, potentially leading to a complete takeover of the site. This issue is an incomplete fix of CVE-2026-54807.
Users are advised to update the WooCommerce Registration Form WordPress plugin to version 1.1.3 or later.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 10, 2026CISA-ADP
Assessed Sep 10, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://wpscan.com/vulnerability/e1255dd5-90d9-4ccf-9f84-3d1b41c5cba4/ | [email protected] | AdvisoryExploitRemedy |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-269 | Improper Privilege Management | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| WooCommerce Registration Form | >= 1.1.0, <= 1.1.2 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 10, 2026 | CVE Modified | CISA-ADP |
| Sep 10, 2026 | New CVE Received | [email protected] |