CVE-2026-91075 PUBLISHED

Eupago Gateway For Woocommerce 4.5.0 - 4.7.5 - Unauthenticated Payment Confirmation Bypass

Assigner: WPScan
Reserved: 14.09.2026 Published: 03.11.2026 Updated: 03.11.2026

The Eupago Gateway For Woocommerce WordPress plugin from 4.5.0 through 4.7.5 does not verify the authenticity of incoming payment-confirmation webhook requests in some configurations, allowing unauthenticated attackers to forge a payment confirmation and mark a pending order as paid without paying for it.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS Score: 5.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Unknown
Product	Eupago Gateway For Woocommerce
Versions	Default: unknown affected from 4.5.0 to 4.7.5 (incl.)

Credits

Seongwon Lee finder
WPScan coordinator

References

https://wpscan.com/vulnerability/065557b8-a29f-4c59-9289-2343d90447b1/

Problem Types

CWE-345 Insufficient Verification of Data Authenticity CWE