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Checkout Field Manager EUVDEUVD-2026-81396

| CVE-2026-87831 MEDIUM
Missing Authorization (CWE-862)
2026-09-17 WPScan GHSA-qrgr-7qgf-2qv8
4.3
CVSS 3.1 · Vendor: WPScan
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Severity by source

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

Any authenticated customer (PR:L) can remotely and reliably delete others' attachments; no confidentiality and no system availability impact, so C:N/I:L/A:N - matching the 4.3 base.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:L/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
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

6
Patch available
Sep 17, 2026 - 09:16 EUVD
Metadata Corrected
Sep 17, 2026 - 08:40 vuln.today
tag: PHP added
Metadata Corrected
Sep 17, 2026 - 08:40 vuln.today
tag: Woocommerce added
Metadata Corrected
Sep 17, 2026 - 08:40 vuln.today
tag: Authentication Bypass removed
Analysis Generated
Sep 17, 2026 - 08:36 vuln.today
CVE Published
Sep 17, 2026 - 07:54 cve.org
MEDIUM 4.3

DescriptionCVE.org

The Checkout Field Manager (Checkout Manager) for WooCommerce WordPress plugin before 7.9.7 does not properly validate the ownership of an attachment before deleting it, allowing any authenticated user such as a customer to delete arbitrary media attachments belonging to other users.

AnalysisAI

Authenticated users, including a self-registered WooCommerce customer, can delete arbitrary media attachments belonging to other users on WordPress sites running the Checkout Field Manager (Checkout Manager) for WooCommerce plugin before version 7.9.7, because the plugin fails to verify attachment ownership before performing the delete. The flaw is a broken-authorization (CWE-862/IDOR) issue rated CVSS 4.3 (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N), meaning the impact is limited to integrity of file data with no confidentiality loss or code execution, but any low-privilege account - not necessarily an administrator - is sufficient. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
technique details hidden
Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Requires an authenticated WordPress/WooCommerce account of any privilege level - a self-registered customer suffices (PR:L), so the store must permit account registration or the attacker must otherwise hold low-privilege credentials. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a genuine but low-severity broken-authorization (IDOR) flaw, and the signals are internally consistent. … 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 Vendor-released patch: upgrade the Checkout Field Manager (Checkout Manager) for WooCommerce plugin to version 7.9.7 or later, which is the first release containing the ownership validation fix; the plugin can be updated from the WordPress admin Plugins screen or via WP-CLI, and the WPScan advisory at https://wpscan.com/vulnerability/7a871164-ce44-4e4c-8e15-15daa84767c6/ should be consulted for confirmation. … Detailed patch versions, workarounds, and compensating controls in full report.

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

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EUVD-2026-81396 vulnerability details – vuln.today

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