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GHSA-chgm-3698-jm42

Опубликовано: 04 авг. 2026
Источник: github
Github: Прошло ревью
CVSS3: 5.3

Описание

Ghost: Member existence leak via magic link sign-in response

Impact

A discrepancy in responses from the members signin endpoints made it possible for an unauthenticated attacker to determine whether a given email address belongs to a registered member of a Ghost site.

Vulnerable versions

This vulnerability is present in Ghost from v5.18.0 up to v6.21.0.

Patches

v6.21.1 contains a fix for this issue.

How to update

For self-hosters using Docker, find Docker's official Ghost image here. Updating a Docker-based Ghost instance is documented here.

If your Ghost is a Ghost-CLI install see our documentation on updating it to the latest version here.

For more information

If you have any questions or comments about this advisory, email Ghost at security@ghost.org.

Пакеты

Наименование

ghost

npm
Затронутые версииВерсия исправления

>= 5.18.0, < 6.21.1

6.21.2

EPSS

Процентиль: 11%
0.00206
Низкий

5.3 Medium

CVSS3

Дефекты

CWE-204

Связанные уязвимости

CVSS3: 5.3
nvd
около 1 месяца назад

Ghost is a Node.js content management system. From 5.18.0 until 6.21.1, a discrepancy in responses from the members signin endpoints made it possible for an unauthenticated attacker to determine whether a given email address belongs to a registered member of a Ghost site. This vulnerability is fixed in 6.21.1.

CVSS3: 5.3
debian
около 1 месяца назад

Ghost is a Node.js content management system. From 5.18.0 until 6.21.1 ...

EPSS

Процентиль: 11%
0.00206
Низкий

5.3 Medium

CVSS3

Дефекты

CWE-204