Cloudanix VulnDB

CVE-2026-1305

Medium · 5.3

CVSS

5.3

EPSS

0.4%

Published

Feb 27, 2026

CISA due date

—

The record

The Japanized for WooCommerce plugin for WordPress is vulnerable to Improper Authentication in versions up to, and including, 2.8.4. This is due to a flawed permission check in the `paidy_webhook_permission_check` function that unconditionally returns `true` when the webhook signature header is omitted. This makes it possible for unauthenticated attackers to bypass payment verification and fraudulently mark orders as "Processing" or "Completed" without actual payment via a crafted POST request to the Paidy webhook endpoint.

Affected packages

Ecosystem Package Introduced Fixed

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