EUVD-2026-85265
GHSA-5gpw-3mxh-8583
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Remote unauthenticated callback with no interaction (AV:N/AC:L/PR:N/UI:N); impact limited to falsifying order payment state, so C:N/A:N and I:L (I:H arguable for repeatable free-goods fraud).
Primary rating from Vendor (WPScan).
CVSS VectorVendor: WPScan
Lifecycle Timeline
5DescriptionCVE.org
The SUMIT Payment Gateway for WooCommerce WordPress plugin before 4.0.0 does not verify with the payment provider that a payment notification is genuine before marking the corresponding order as paid, allowing unauthenticated users to mark a pending order paid without completing payment.
AnalysisAI
Unauthenticated remote attackers can mark pending WooCommerce orders as paid without completing payment by abusing the SUMIT Payment Gateway for WooCommerce plugin before version 4.0.0, which accepts payment notifications without validating them against the SUMIT payment provider. The vulnerability is network-reachable with no authentication or user interaction required (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N, score 5.3) and is confined to falsifying order payment status, i.e. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The store must run the SUMIT Payment Gateway for WooCommerce plugin at a version before 4.0.0 with the gateway enabled and an order in a pending/awaiting-payment state. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine but bounded-severity issue. … 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 | Vendor-released patch: upgrade the SUMIT Payment Gateway for WooCommerce plugin to version 4.0.0 or later, which introduces verification of payment notifications with the provider before an order is marked paid; apply this via the WordPress plugin updater or by deploying the fixed release manually, and confirm the running version afterward since WordPress does not always surface pending plugin updates. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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