Security Advisory

CVE-2026-53947

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-24 18:07:42

Last updated 2026-06-25 17:09:22

Assigner GitHub_M

CVSS score 5.3

State PUBLISHED

Description

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.

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