CVE-2026-91075

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

Published Nov 3, 2026 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
The Eupago Gateway For Woocommerce WordPress plugin from 4.5.0 before 4.7.6 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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description 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. The Eupago Gateway For Woocommerce WordPress plugin from 4.5.0 before 4.7.6 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.
Type Values Removed Values Added
Weaknesses CWE-287
Type Values Removed Values Added
Weaknesses CWE-345
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Eupago
Eupago eupago Gateway Woocommerce
Wordpress-extensions
Wordpress-extensions eupago Gateway For Woocommerce
Vendors & Products Eupago
Eupago eupago Gateway Woocommerce
Wordpress-extensions
Wordpress-extensions eupago Gateway For Woocommerce
Type Values Removed Values Added
Weaknesses CWE-287
Type Values Removed Values Added
Description 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.
Title Eupago Gateway For Woocommerce 4.5.0 - 4.7.5 - Unauthenticated Payment Confirmation Bypass
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Nov 11, 2026, 12:25 PM
Reserved
Sep 14, 2026, 5:19 PM
Status
Deferred
Published
Nov 3, 2026, 9:17 AM
Modified
Nov 11, 2026, 1:17 PM