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...

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:...

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...

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-2026-53947

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-2026-53948

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-2026-53944 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-2026-53947

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...

PT-2026-52069

Name of the Vulnerable Software and Affected Versions Ghost versions 6.0.9 through 6.21.0 Description Ghost is a Node.js content management system. A flaw in the private-IP check for outbound HTTP requests allows a bypass via DNS rebinding. DNS rebinding is a technique that tricks a browser or...

PT-2026-52073

Name of the Vulnerable Software and Affected Versions Ghost versions 5.46.1 through 6.21.1 Description Validation applied to filters on public API endpoints could be partially bypassed, allowing the disclosure of private fields through a brute force attack. The impact varies by database: when usi...

PT-2026-52070

Name of the Vulnerable Software and Affected Versions Ghost versions 6.19.4 through 6.21.0 Description Ghost, a Node.js content management system, fails to restrict outbound HTTP requests when refetching missing image dimensions during post re-rendering. An authenticated staff user with permissio...

PT-2026-48873

Name of the Vulnerable Software and Affected Versions Ghost versions prior to 6.37.0 Description Ghost is a Node.js content management system. When deployed behind a shared caching layer that shares content between different visitors, an unauthenticated user can send an x-ghost-preview header to...

Exploit for SQL Injection in Ghost

version Unauthenticated Stored Cross-Site Scripting CVE-2026-...

700+ education and tech websites hijacked in huge ClickFix malware campaign

Attackers are abusing a critical Ghost Content Management System CMS vulnerability to hijack more than 700 legitimate websites and inject a fake Cloudflare verification step that tricks visitors into running a Windows command that installs malware. These social engineering campaigns—where website...