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Rede Itaú WooCommerce EUVDEUVD-2026-83516

| CVE-2026-92430 MEDIUM
Missing Authorization (CWE-862)
2026-09-19 WPScan GHSA-mhj8-f8qj-pvcj
WordPress Authentication Bypass Woocommerce Rede Ita For Woocommerce Payment Pix Credit Card And Debit
5.3
CVSS 3.1 · Vendor: WPScan
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Severity by source

Vendor (WPScan) PRIMARY
5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
vuln.today AI
5.3 MEDIUM

Public unauthenticated webhook forgeable over the network with low complexity (AV:N/AC:L/PR:N/UI:N); impact is limited to order-status integrity (I:L), no confidentiality or availability effect.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (WPScan).

CVSS VectorVendor: WPScan

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

Lifecycle Timeline

5
Metadata Corrected
Sep 19, 2026 - 14:40 vuln.today
tag: Woocommerce added
Analysis Generated
Sep 19, 2026 - 14:25 vuln.today
Patch available
Sep 19, 2026 - 07:16 EUVD
CVE Published
Sep 19, 2026 - 06:00 cve.org
MEDIUM 5.3
CVE Published
Sep 19, 2026 - 06:00 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

The Rede Itaú for WooCommerce - Payment PIX, Credit Card and Debit WordPress plugin before 5.4.7 does not verify the authenticity of its PIX payment webhook before updating an order's status, allowing unauthenticated attackers to mark a pending order as paid without paying.

AnalysisAI

Unauthenticated attackers can mark pending orders as paid in the Rede Itaú for WooCommerce plugin before 5.4.7 by abusing its PIX payment webhook, which fails to verify authenticity before updating order status. The issue affects stores running versions from 3.6.1 up to 5.4.7 with the PIX payment method enabled, requires no authentication or user interaction, and produces integrity-only financial fraud impact rather than code execution or data disclosure. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Requires the target site to be running the 'Rede Itaú for WooCommerce - Payment PIX, Credit Card and Debit' plugin at a version from 3.6.1 up to (not including) 5.4.7, with the PIX payment method enabled so its webhook endpoint is reachable. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a genuine unauthenticated remote issue but with narrow, integrity-only impact. … 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 Rede Itaú for WooCommerce - Payment PIX, Credit Card and Debit plugin to version 5.4.7 or later, which is the vendor-released patched version. … Detailed patch versions, workarounds, and compensating controls in full report.
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EUVD-2026-83516 vulnerability details – vuln.today
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