CVE-2026-70595

Ghost is a Node.js content management system. From 6.26.0 until 6.54.1, a validation issue allowed some functionality, such as Webmentions, to be abused by an unauthenticated user to make limited HTTP requests to hosts in the Ghost server's internal network. A successful attack would not result i...

Ghost: Cross-Site Scripting in Feature Image Captions

Impact An input validation issue allowed any staff user to create a post with content that could be used to hijack another staff user's Ghost Admin session resulting in privilege escalation. Vulnerable versions This vulnerability is present in Ghost from v4.9.0 up to v6.54.0. Patches v6.54.1...

CVE-2026-70596 Ghost: Cross-Site Scripting in Feature Image Captions

Ghost is a Node.js content management system. From 4.9.0 until 6.54.1, an input validation issue allowed any staff user to create a post with content in featureimagecaption that could be used to hijack another staff user's Ghost Admin session, resulting in privilege escalation. This issue is fixe...

CVE-2026-70595

CVE-2026-70595 affects Ghost (Node.js CMS). From version 6.26.0 through 6.54.1, an input/validation issue allowed unauthenticated users to trigger limited HTTP requests to hosts inside Ghost’s internal network (e.g., via features like Webmentions). The attack does not return response data. The vu...

Ghost: Server-Side Request Forgery Mitigation Issue

Impact A validation issue allowed some functionality, such as Webmentions, to be abused by an unauthenticated user to make limited HTTP requests to hosts in the Ghost server's internal network. A successful attack would not result in any response data being returned. Vulnerable versions This...

CVE-2026-70594

Ghost is a Node.js content management system. From 2.2.0 until 6.54.1, Ghost Admin did not invalidate existing sessions on login which could have allowed for session fixation attacks. Successful exploitation would have required another vulnerability on the same domain where Ghost Admin was hosted...

CVE-2026-70589

Ghost is a Node.js content management system. From 4.22.0 until 6.54.1, a missing validation check allowed users to redeem subscription offers that were no longer active. This issue is fixed in version 6.54.1...

CVE-2026-70590

Ghost is a Node.js content management system. Prior to 6.54.1, any staff-level user was able to leak the hashed passwords of other staff users through the Ghost Admin API. An offline password-guessing attack against the hashes could lead to account takeover if successful, but Device Verification...

CVE-2026-70591

Ghost is a Node.js content management system. From 0.10.0 until 6.54.1, a Server-Side Request Forgery in Ghost Admin image fetching allowed any staff-level user to perform a blind HTTP GET request against internal hosts. No output was returned, but this could have been used to probe open ports on...

EUVD-2026-52978

Ghost is a Node.js content management system. From 2.2.0 until 6.54.1, Ghost Admin did not invalidate existing sessions on login which could have allowed for session fixation attacks. Successful exploitation would have required another vulnerability on the same domain where Ghost Admin was hosted...

CVE-2026-70594 Ghost: Session Fixation in Ghost Admin

Ghost is a Node.js content management system. From 2.2.0 until 6.54.1, Ghost Admin did not invalidate existing sessions on login which could have allowed for session fixation attacks. Successful exploitation would have required another vulnerability on the same domain where Ghost Admin was hosted...

Ghost: Theme Upload Path Traversal

Impact A vulnerability in custom themes allowed a staff user to write files outside of the uploads directory. This could be used to alter the behavior of the installation. Vulnerable versions This vulnerability is present in Ghost from v0.10.0 up to v6.54.0. Patches v6.54.1 contains a fix for thi...

NPM: Ghost: Theme Upload Path Traversal

NPM: Ghost: Theme Upload Path Traversal vulnerability discovered by ? in WordPress Npm ghost versions = 0.10.0, 6.54.1...

CVE-2026-70593

CVE-2026-70593 affects Ghost (Node.js) versions 0.10.0–6.54.1. A vulnerability in custom themes allows a staff user to write files outside the uploads directory via path traversal in LocalStorageBase and theme storage name handling, enabling modification of installation behavior. The issue is fix...

Ghost: Database Backup Path Traversal

Impact An Administrator-level user could remotely overwrite certain files on the filesystem leading to integrity and availability issues. Vulnerable versions This vulnerability is present in Ghost from 1.20.1 up to v6.54.0. Patches v6.54.1 contains a fix for this issue. How to update For...

CVE-2026-70590

Ghost CMS (Node.js) prior to version 6.54.1 allowed staff-level users to leak other staff password hashes via the Ghost Admin API. The underlying issue is exposure of authentication data, enabling offline password guessing with potential account takeover; however, Device Verification was noted as...

Ghost: Archived Offers can be Redeemed

Impact A missing validation check allowed users to redeem subscription offers that were no longer active. Vulnerable versions This vulnerability is present in Ghost from v4.22.0 up to v6.54.0. Patches v6.54.1 contains a fix for this issue. How to update For self-hosters using Docker, find Docker'...

CVE-2026-70589 Ghost: Archived Offers can be Redeemed

Ghost is a Node.js content management system. From 4.22.0 until 6.54.1, a missing validation check allowed users to redeem subscription offers that were no longer active. This issue is fixed in version 6.54.1...

CVE-2026-70589 Ghost: Archived Offers can be Redeemed

Ghost is a Node.js content management system. From 4.22.0 until 6.54.1, a missing validation check allowed users to redeem subscription offers that were no longer active. This issue is fixed in version 6.54.1...

CVE-2026-70588

CVE-2026-70588 affects the Ghost CMS (Node.js). From 5.26.0 through 6.54.1, the Universal Import feature in Ghost Admin did not properly sanitize imported content, causing an XSS in post content. The issue has been fixed in version 6.54.1. Affected versions should upgrade to 6.54.1 or later to re...