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CVE-2026-1305
WordPress vulnerability analysis and mitigation

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.


SourceNVD

Related WordPress vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-4347HIGH8.1
  • mw-wp-form
NoYesApr 02, 2026
CVE-2026-5032HIGH7.5
  • w3-total-cache
NoYesApr 02, 2026
CVE-2026-0686HIGH7.2
  • webmention
NoYesApr 02, 2026
CVE-2026-34890MEDIUM6.5
  • mstw-league-manager
NoNoApr 02, 2026
CVE-2026-0688MEDIUM6.4
  • webmention
NoYesApr 02, 2026

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