CVE-2024-43409 Ghost's improper authentication allows access to member information and actions

Medium 6.5 Published Updated

Attackers can bypass authentication to access member information and perform member-only actions in Ghost CMS.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2024-43409?

CVE-2024-43409 is a medium-severity authentication bypass vulnerability in TryGhost Ghost, published on 20 Aug 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Ghost is a Node.js content management system. Improper authentication on some endpoints used for member actions would allow an attacker to perform member-only actions, and read member information. This security vulnerability is present in Ghost v4.46.0-v5.89.4. v5.89.5 contains a fix for this issue.

Weakness: CWE-287, CWE-284

Which versions are affected by CVE-2024-43409?

5 open source packages ship an affected version, including @tryghost/portal and ghost. It affects 1 product.

PackageAffectedFixed in
@tryghost/portal npmFrom 1.22.22.39.0
@tryghost/portal npmFrom 1.22.22.39.0
ghost BitnamiFrom 4.46.05.89.5
ghost npmFrom 4.46.05.89.5
ghost npmFrom 4.46.05.89.5

Products include Ghost Ghost.

How do I fix CVE-2024-43409?

Upgrade @tryghost/portal to 2.39.0 or later.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2024-43409 being exploited?

There is no known exploitation of CVE-2024-43409 in the wild and no public exploit code.

Sources

Also known as BIT-ghost-2024-43409, GHSA-78x2-cwp9-5j42.

Is CVE-2024-43409 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free