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WC Ukraine Shipping CVE-2026-84836

| EUVDEUVD-2026-70568 HIGH
Authorization Bypass Through User-Controlled Key (CWE-639)
2026-09-03 Patchstack GHSA-q2wh-hx7h-mvxr
7.1
CVSS 3.1 · Vendor: Patchstack
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Severity by source

Vendor (Patchstack) PRIMARY
7.1 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
vuln.today AI
7.1 HIGH

Subscriber account (PR:L) is the sole barrier; network-accessible with no user interaction; C:H for cross-customer PII exposure via object enumeration, I:L for limited record modification, A:N for no availability impact.

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

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

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

Lifecycle Timeline

3
Metadata Corrected
Sep 03, 2026 - 17:40 vuln.today
tag: Authentication Bypass removed
Analysis Generated
Sep 03, 2026 - 17:15 vuln.today
CVE Published
Sep 03, 2026 - 16:31 cve.org
HIGH 7.1

DescriptionCVE.org

Subscriber Insecure Direct Object References (IDOR) in WC Ukraine Shipping <= 1.22.3 versions.

AnalysisAI

Insecure Direct Object Reference (IDOR) in the WC Ukraine Shipping WordPress plugin versions 1.22.3 and earlier allows subscriber-level authenticated users to access and partially modify shipping and order objects belonging to other customers. Reported by Patchstack and classified CWE-639, the flaw arises from the plugin resolving shipping or order records via user-supplied identifiers without verifying the authenticated session owner is authorized to access that resource. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
technique details hidden
Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires a subscriber-level WordPress account (PR:L) on the target WooCommerce store, equivalent to a standard customer registration. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 7.1 rating reflects a credible and realistic severity profile: network-accessible (AV:N), low complexity (AC:L), low privilege required (PR:L), no user interaction needed (UI:N). … 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 Update WC Ukraine Shipping to the patched version identified in the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/wc-ukr-shipping/vulnerability/wordpress-wc-ukraine-shipping-plugin-1-22-3-insecure-direct-object-references-idor-vulnerability; the precise patched release number is not independently confirmed from available data and must be verified there. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: identify all WordPress instances running WC Ukraine Shipping plugin versions 1.22.3 or earlier and disable the plugin pending further assessment. …

Sign in for detailed remediation steps and compensating controls.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-84836 vulnerability details – vuln.today

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