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CVE-2026-91075— Eupago Gateway For Woocommerce 4.5.0 - 4.7.5 - Unauthenticated Payment Confirmation Bypass

Quick assessment

Affected
Unknown Eupago Gateway For Woocommerce
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress 插件"Eupago Gateway For Woocommerce"在 4.5.0 至 4.7.5 版本中，由于在某些配置下未验证传入的支付确认 Webhook 请求的真实性，攻击者可在未进行身份验证的情况下伪造支付确认，将待处理订单标记为已支付，而实际上并未完成付款。

CVSS 5.3 · Medium EPSS 0.11% · P2

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Eupago Gateway For Woocommerce 4.5.0≤ 4.7.5 affected
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I. Basic Information for CVE-2026-91075

Vulnerability Information
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Vulnerability Title
Eupago Gateway For Woocommerce 4.5.0 - 4.7.5 - Unauthenticated Payment Confirmation Bypass
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown Eupago Gateway For Woocommerce 4.5.0 ~ 4.7.5 -

II. Public POCs for CVE-2026-91075

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-91075

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Other References for CVE-2026-91075 (1)

Same Patch Batch · Unknown · 2026-11-03 · 9 CVEs total

CVE-2026-103327 5.3 MEDIUM CryptoCloud - Crypto Payment Gateway 3.0.0 - 3.0.1 - Unauthenticated Arbitrary Order Payme
CVE-2026-103379 WATI Chat and Notification <= 1.1.8 - Unauthenticated Customer Order PII Disclosure via Le
CVE-2026-105967 Gallery for Social Photo <= 1.0.0.41 - Unauthenticated SSRF via next_url Parameter
CVE-2026-104648 weMail <= 2.1.6 - Editor+ API Key Disclosure
CVE-2026-104647 weMail <= 2.1.6 - Editor+ Incorrect Authorization via User::can()
CVE-2026-105993 DT Directory Lite Addon <= 1.1 - Unauthenticated Plugin Settings Update
CVE-2026-106004 DT LMS <= 1.2 - Unauthenticated Arbitrary Course Completion Revocation
CVE-2026-115205 AZEXO Store Locator <= 1.4 - Subscriber+ Arbitrary Post Deletion via azt_delete_item

IV. Related Vulnerabilities

Same product: Eupago Gateway For Woocommerce
Same vendor: Unknown