CVE-2026-82215CWE-345

CVE-2026-82215

Medium · published September 11, 2026

CVSS v3.1
5.9
EPSS
0%
Percentile
4.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00160 · 4.9th percentile
Weakness
CWE-345 · Insufficient Verification of Data Authenticity
Published
2026-09-11T15:16Z
References (1)
https://wpscan.com/vulnerability/c7703a51-9d5d-4483-b214-7249701ee9ff/ · [email protected]
EPSS history
Timeline
  • 13 SEP 03:23Z
    EPSS moved — → 0%
    epss
  • 11 SEP 10:56Z
    WC PayPay Gateway 0.5 - 0.9.3 - Unauthenticated Payment Bypass via Unverified Webhook
    cvelistv5