CVE-2026-82215 WC PayPay Gateway 0.5 - 0.9.3 - Unauthenticated Payment Bypass via Unverified Webhook
Unauthenticated attackers can manipulate order statuses by sending unverified webhooks, requiring plugin updates to enforce payment verification.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-82215?
CVE-2026-82215 is a medium-severity missing authorization vulnerability in Unknown Payment Gateway PayPay for WooCommerce, published on 11 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Payment Gateway PayPay for WooCommerce WordPress plugin from 0.5 to 0.9.3 does not verify the authenticity of the payment notifications it receives before acting on them, allowing unauthenticated attackers who know the store's merchant identifier to mark arbitrary orders as paid, or to cancel or fail them.
Weakness: CWE-345
Which versions are affected by CVE-2026-82215?
How do I fix CVE-2026-82215?
No fix has been published for CVE-2026-82215 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-82215 being exploited?
There is no known exploitation of CVE-2026-82215 in the wild and no public exploit code.
Sources
Also known as GHSA-352x-whpm-97q9.