EUVD-2026-83870
GHSA-p33j-7gxx-7v4f
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Remote unauthenticated, low complexity, no UI; integrity-only impact (fraudulent order completion) bounded to the attacker's own orders, no confidentiality or availability effect.
Primary rating from Vendor (wpscan).
CVSS VectorVendor: wpscan
Lifecycle Timeline
5DescriptionCVE.org
The Payment Gateway for PayPal on WooCommerce WordPress plugin before 9.2.1 does not verify that an incoming payment notification was confirmed in the store's configured payment environment or paid to the store's own merchant account before marking an order complete, allowing unauthenticated users to mark their own orders as paid using a genuine transaction from a payment sandbox they control.
AnalysisAI
WooCommerce PayPal Gateway before 9.2.1 allows unauthenticated attackers to mark their own orders as paid without paying the store by submitting a genuine PayPal transaction generated from a sandbox account they control. The plugin fails to verify that the payment notification came from the store's configured live payment environment and was paid to the store's merchant account, a business-logic flaw rated CVSS 5.3 (integrity impact only). …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires a live WooCommerce store using the 'Payment Gateway for PayPal on WooCommerce' plugin at a version before 9.2.1 with PayPal checkout enabled. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine, exploitable business-logic/payment-fraud flaw rather than an inflated high-CVSS finding. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade the 'Payment Gateway for PayPal on WooCommerce' plugin to version 9.2.1 or later, which contains the vendor fix. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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