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PayPal WooCommerce Plugin CVE-2026-80340

| EUVDEUVD-2026-74705 MEDIUM
Information Exposure (CWE-200)
2026-09-09 WPScan GHSA-43fh-8hgg-2q9m
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:L/I:N/A:N
vuln.today AI
5.3 MEDIUM

Network-accessible, zero-auth, zero-interaction; confidentiality limited to per-order PII (C:L); no integrity or availability impact.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/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
Low
Integrity
None
Availability
None

Lifecycle Timeline

4
Analysis Generated
Sep 09, 2026 - 16:39 vuln.today
Patch available
Sep 09, 2026 - 07:03 EUVD
CVE Published
Sep 09, 2026 - 06:00 cve.org
MEDIUM 5.3
CVE Published
Sep 09, 2026 - 06:00 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

The Payment Plugins for PayPal WooCommerce WordPress plugin before 2.0.26 does not validate the order key before adding order data to the JavaScript configuration it outputs on the front end, allowing unauthenticated users to obtain the secret that gates access to any order and, through it, that customer's billing and shipping details, by iterating sequential order identifiers.

AnalysisAI

Unauthenticated order data exposure in the Payment Plugins for PayPal WooCommerce WordPress plugin before version 2.0.26 allows remote attackers to harvest customer PII from any WooCommerce order. The plugin outputs order secrets into frontend JavaScript configuration without first validating the supplied order key, and because WooCommerce order identifiers are sequential integers, an attacker can iterate through IDs to retrieve the secret for each order and subsequently access that customer's billing address, shipping address, and associated personal details. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation No authentication or account is required - exploitation is fully unauthenticated against any publicly reachable WooCommerce storefront running an affected plugin version (1.0.0 through 2.0.25). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The provided CVSS 5.3 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N) accurately captures network-accessible, zero-authentication exploitation with low individual-request confidentiality impact, but the aggregate impact is meaningfully higher than the per-request score implies: because order IDs are sequential and the attack is rated Automatable by CISA SSVC, a single script can enumerate the entire order history of a store and exfiltrate every customer's billing and shipping PII in bulk. … 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 The primary fix is to upgrade the Payment Plugins for PayPal WooCommerce plugin to version 2.0.26 or later, which validates the order key before including order data in frontend JavaScript output. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-80340 vulnerability details – vuln.today

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