CVE-2024-43409Network attack vector

Member data access via unverified UUIDs

Published Aug 20, 2024 · Updated Sep 3, 2024

Improper access control in Ghost 4.46.0 through 5.89.4 allows remote attackers to read member data and change member preferences. Member newsletter and feedback endpoints accepted a member UUID without verifying a keyed token or authenticated session. Knowledge of a member UUID was sufficient to read newsletter membership, unsubscribe that member, alter comment notifications, or submit feedback.

CVSS severity6.5
Medium
EPSS probability0.33%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Ghost 4.46.0 through 5.89.4 allows remote attackers to read member data and change member preferences. Member newsletter and feedback endpoints accepted a member UUID without verifying a keyed token or authenticated session. Knowledge of a member UUID was sufficient to read newsletter membership, unsubscribe that member, alter comment notifications, or submit feedback.

The record

CVE
CVE-2024-43409
Published
Aug 20, 2024
Updated
Sep 3, 2024
Vendor
Ghost Foundation
Product
Ghost
Classifications
CWE-287, CWE-284, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 20, 2024CVE publishedPublication date reported by the CVE source.
  2. Sep 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=>= 4.46.0 < 5.89.5
  2. Affected versionversion=4.46.0 <5.89.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Ghost Foundation · Ghostversion=>= 4.46.0 < 5.89.5; version=4.46.0 <5.89.5

Published CVSS scores

6.5GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
6.5NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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 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-287Improper Authentication
CWE-284Improper Access Control
T1190Exploit Public-Facing Application

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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