Ghost CMS Content API - SQL Injection

Ghost CMS before 6.19.1 is vulnerable to a blind SQL injection in the /ghost/api/content/tags/ endpoint via the filter parameter. This template checks for the vulnerability by sending a boolean-based payload. id: CVE-2026-26980 info: name: Ghost CMS Content API - SQL Injection author:...

Ghost CMS - User Enumeration

Ghost CMS 5.9.4 contains a user enumeration vulnerability in the login functionality. The application reveals whether a user account exists through different error messages, allowing attackers to enumerate valid user accounts via specially-crafted HTTP requests. id: CVE-2022-41697 info: name: Gho...

CVE-2026-59817 Ghost: Paid gift memberships obtainable at minimal cost via the donations feature

Ghost is a Node.js content management system. From 6.27.0 before 6.44.0, Ghost's public donation checkout flow allowed an unauthenticated attacker to control donation checkout metadata and obtain full paid gift memberships for a minimal payment without exposing customer or member data or stealing...

CVE-2026-59817

Ghost is a Node.js content management system. From 6.27.0 before 6.44.0, Ghost's public donation checkout flow allowed an unauthenticated attacker to control donation checkout metadata and obtain full paid gift memberships for a minimal payment without exposing customer or member data or stealing...

CVE-2026-59817

Ghost is a Node.js content management system. Affects versions from 6.27.0 up to but not including 6.44.0; the public donation checkout flow allowed an unauthenticated attacker to control donation checkout metadata and obtain full paid gift memberships for a minimal payment, without exposing cust...

CVE-2026-59817 Ghost: Paid gift memberships obtainable at minimal cost via the donations feature

Ghost is a Node.js content management system. From 6.27.0 before 6.44.0, Ghost's public donation checkout flow allowed an unauthenticated attacker to control donation checkout metadata and obtain full paid gift memberships for a minimal payment without exposing customer or member data or stealing...

PT-2026-56900

Name of the Vulnerable Software and Affected Versions Ghost versions 6.27.0 through 6.43.x Description The public donation checkout flow in this Node.js content management system allows an unauthenticated attacker to manipulate donation checkout metadata. This can lead to the acquisition of full...

BIT-GHOST-2026-53948 Ghost: File Upload Content-Type Spoofing

Ghost is a Node.js content management system. From 6.19.4 until 6.21.1, insufficient validation of the client-supplied Content-Type on Ghost's Admin API file upload endpoint allowed uploaded files to be served from the site with an attacker-chosen content type on S3/GCS storage backends. On...

BIT-GHOST-2026-53947 Ghost: Member existence leak via magic link sign-in response

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...

BIT-GHOST-2026-53945 Ghost: Server-side request forgery via DNS rebinding in external request handling

Ghost is a Node.js content management system. From 6.0.9 until 6.21.1, Ghost’s private-IP check for outbound HTTP requests could be bypassed via DNS rebinding, allowing an attacker to coerce the Ghost server into reaching hosts on internal networks through features that issue external fetches. Th...

BIT-GHOST-2026-53944 Ghost: Private IP filtering bypass to make server-side requests to internal services

Ghost is a Node.js content management system. From 6.0.9 until 6.21.1, when making an external request, it is possible to bypass the IP filter that ensures the request isn't going to an internal service using an IPv6 literal which maps to a private IPv4 address. This vulnerability is fixed in...

CVE-2026-53948

Ghost is a Node.js content management system. From 6.19.4 until 6.21.1, insufficient validation of the client-supplied Content-Type on Ghost's Admin API file upload endpoint allowed uploaded files to be served from the site with an attacker-chosen content type on S3/GCS storage backends. On...

CVE-2026-53947

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...

CVE-2026-53944 Ghost: Private IP filtering bypass to make server-side requests to internal services

Ghost is a Node.js content management system. From 6.0.9 until 6.21.1, when making an external request, it is possible to bypass the IP filter that ensures the request isn't going to an internal service using an IPv6 literal which maps to a private IPv4 address. This vulnerability is fixed in...

CVE-2026-53944

Ghost is a Node.js content management system. From 6.0.9 until 6.21.1, when making an external request, it is possible to bypass the IP filter that ensures the request isn't going to an internal service using an IPv6 literal which maps to a private IPv4 address. This vulnerability is fixed in...

CVE-2026-53945

CVE-2026-53945 affects Ghost CMS: from 6.0.9 up to 6.21.1, the private-IP check for outbound HTTP requests could be bypassed via DNS rebinding, allowing the Ghost server to reach internal hosts through features that issue external fetches. Remediation: upgrade to Ghost 6.21.1 or later. Impact per...

CVE-2026-53945 Ghost: Server-side request forgery via DNS rebinding in external request handling

Ghost is a Node.js content management system. From 6.0.9 until 6.21.1, Ghost’s private-IP check for outbound HTTP requests could be bypassed via DNS rebinding, allowing an attacker to coerce the Ghost server into reaching hosts on internal networks through features that issue external fetches. Th...

CVE-2026-53946 Ghost: Mobiledoc image-size fetch SSRF

Ghost is a Node.js content management system. From 6.19.4 until 6.21.1, when re-rendering posts, Ghost would refetch missing image dimensions by issuing an outbound HTTP request to the URL stored on an image card — without restricting that URL to trusted image hosts. An authenticated staff user...

CVE-2026-53947

Ghost (Node.js CMS) contains a member existence leak via the magic link sign-in flow in versions 5.18.0–6.21.0, caused by differing responses from the members signin endpoints. An unauthenticated user could confirm whether an email is registered on a Ghost site. The issue is fixed in version 6.21...

CVE-2026-53947

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...