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CVE-2026-82215

WC PayPay Gateway 0.5 - 0.9.3 - Unauthenticated Payment Bypass via Unverified Webhook

MEDIUM
5.9
CVSS Score
Published: September 11, 2026 at 10:56 AM UTC
Updated: September 11, 2026 at 05:50 PM UTC
1 product affected across 1 vendorPayment Gateway PayPay for WooCommerce

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Severity
MEDIUM5.9
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitVDB EntryTechnical Description
Source: cverecord
https://wpscan.com/vulnerability/c7703a51-9d5d-4483-b214-7249701ee9ff/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.9MEDIUMWPScan
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-345

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