CVE-2023-47244Network attack vector

Unauthenticated user data disclosure via status REST endpoint

Published Nov 23, 2023 · Updated Apr 28, 2026

Sensitive information exposure in Omnisend Email Marketing for WooCommerce by Omnisend 1.13.8 and earlier allows remote attackers to read user data. The plugin's status REST API endpoint returns sensitive user information to requests without requiring authentication. No account or user interaction is required, and public advisories do not identify the specific user fields exposed.

CVSS severity5.3
Medium
EPSS probability0.55%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Sensitive information exposure in Omnisend Email Marketing for WooCommerce by Omnisend 1.13.8 and earlier allows remote attackers to read user data. The plugin's status REST API endpoint returns sensitive user information to requests without requiring authentication. No account or user interaction is required, and public advisories do not identify the specific user fields exposed.

The record

CVE
CVE-2023-47244
Published
Nov 23, 2023
Updated
Apr 28, 2026
Vendor
Omnisend
Product
Email Marketing for WooCommerce by Omnisend
Classifications
CWE-200
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 23, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 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=n/a <=1.13.8 changes=[{"at":"1.13.9","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Omnisend · Email Marketing for WooCommerce by Omnisendversion=n/a <=1.13.8 changes=[{"at":"1.13.9","status":"unaffected"}]

Published CVSS scores

5.3PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor

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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