CVE-2023-4947Network attack vector

Order EAN modification via unchecked AJAX capability

Published Oct 20, 2023 · Updated Apr 8, 2026

Missing authorization in Yan&Co WooCommerce EAN Payment Gateway before 6.1.0 allows remote authenticated users to alter order EAN numbers. The refresh_order_ean_data AJAX action updates order EAN data without checking the caller's WordPress capability. Contributor-level access is sufficient to change EAN numbers on orders, producing unauthorized integrity changes to order records.

CVSS severity4.3
Medium
EPSS probability0.43%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in Yan&Co WooCommerce EAN Payment Gateway before 6.1.0 allows remote authenticated users to alter order EAN numbers. The refresh_order_ean_data AJAX action updates order EAN data without checking the caller's WordPress capability. Contributor-level access is sufficient to change EAN numbers on orders, producing unauthorized integrity changes to order records.

The record

CVE
CVE-2023-4947
Published
Oct 20, 2023
Updated
Apr 8, 2026
Vendor
Yan&Co ApS
Product
WooCommerce EAN Payment Gateway
Classifications
CWE-862, T1565.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 20, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <6.1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Yan&Co ApS · WooCommerce EAN Payment Gatewayversion=0 <6.1.0

Published CVSS scores

4.3WordfenceCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
T1565.001Stored Data Manipulation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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