Ghost: Remote Code Execution via Bookmark Card Images

Impact An image processing library bundled with Ghost contained a vulnerability in its SVG handling. Any staff user, including Contributors, could create a bookmark card for an attacker-controlled website, resulting in arbitrary commands being run on the Ghost server. Vulnerable versions This...

EUVD-2026-92632

Ghost: Stored XSS via Embed Card Previews...

EUVD-2026-92756

Ghost: Stored XSS via SVG Uploads Bypassing Sanitization...

Ghost: Stored XSS via Bookmark Card Images

Impact When creating a bookmark card, Ghost could store non-image files fetched from an external website as bookmark icons or thumbnails. This allowed any staff user, including Contributors, to host arbitrary HTML on the site's domain, possibly resulting in compromise of other staff users' admin...

CVE-2026-105651

Ghost is a Node.js content management system. From 5.94.0 until 6.64.0, when creating a bookmark card, Ghost could store non-image files fetched from an external website as bookmark icons or thumbnails. This allowed any staff user, including Contributors, to host arbitrary HTML on the site's...

CVE-2026-105649

Ghost is a Node.js content management system. From 4.22.0 until 6.65.0, SVG media thumbnails and SVG images uploaded with a non-SVG file extension were stored without sanitization. This allowed any staff user, including Contributors, to host scripts on the site's domain, possibly resulting in...

CVE-2026-105679 Ghost: Stored XSS via File Uploads on Local Storage

Ghost is a Node.js content management system. From 6.22.1 until 6.64.0, Ghost restricted the content type used to serve uploaded files to prevent browsers from executing them. On sites using the default local storage adapter, this restriction was not applied, so files uploaded by any staff user...

CVE-2026-105651 Ghost: Stored XSS via Bookmark Card Images

Ghost is a Node.js content management system. From 5.94.0 until 6.64.0, when creating a bookmark card, Ghost could store non-image files fetched from an external website as bookmark icons or thumbnails. This allowed any staff user, including Contributors, to host arbitrary HTML on the site's...

CVE-2026-105651

The Ghost Node.js content management system (versions 5.94.0 through 6.64.0 ) is vulnerable to a Stored Cross-Site Scripting (XSS) flaw. When creating a bookmark card, the system could fetch and store non-image files from external websites as icons or thumbnails. This allowed staff users, includi...

CVE-2026-105651 Ghost: Stored XSS via Bookmark Card Images

Ghost is a Node.js content management system. From 5.94.0 until 6.64.0, when creating a bookmark card, Ghost could store non-image files fetched from an external website as bookmark icons or thumbnails. This allowed any staff user, including Contributors, to host arbitrary HTML on the site's...

CVE-2026-105649 Ghost: Stored XSS via SVG Uploads Bypassing Sanitization

Ghost is a Node.js content management system. From 4.22.0 until 6.65.0, SVG media thumbnails and SVG images uploaded with a non-SVG file extension were stored without sanitization. This allowed any staff user, including Contributors, to host scripts on the site's domain, possibly resulting in...

CVE-2026-105649 Ghost: Stored XSS via SVG Uploads Bypassing Sanitization

Ghost is a Node.js content management system. From 4.22.0 until 6.65.0, SVG media thumbnails and SVG images uploaded with a non-SVG file extension were stored without sanitization. This allowed any staff user, including Contributors, to host scripts on the site's domain, possibly resulting in...

CVE-2026-105643 Ghost: Stored XSS via Embed Card Previews

Ghost is a Node.js content management system. From version 6.34.0 until 6.67.0, embed cards in the Ghost editor could bypass protections against stored cross-site scripting. Any staff user, including Contributors, could store scripts in post content that ran when another staff user opened the pos...

CVE-2026-105642 Ghost: Remote Code Execution via Bookmark Card Images

Ghost is a Node.js content management system. From 6.56.0 until 6.67.0, an image processing library bundled with Ghost contained a vulnerability in its SVG handling. Any staff user, including Contributors, could create a bookmark card for an attacker-controlled website, resulting in arbitrary...

CVE-2026-105642 Ghost: Remote Code Execution via Bookmark Card Images

Ghost is a Node.js content management system. From 6.56.0 until 6.67.0, an image processing library bundled with Ghost contained a vulnerability in its SVG handling. Any staff user, including Contributors, could create a bookmark card for an attacker-controlled website, resulting in arbitrary...

PT-2026-106198

Name of the Vulnerable Software and Affected Versions Ghost versions 6.22.1 through 6.63.0 Description Ghost is a Node.js content management system. When using the default local storage adapter, the system fails to restrict the content type of uploaded files. This allows files uploaded by staff...

PT-2026-106138

Name of the Vulnerable Software and Affected Versions Ghost versions 6.56.0 through 6.66.0 Description A vulnerability exists in the SVG handling of an image processing library bundled with the Ghost content management system. A staff user with Contributor permissions or higher can create a...

PT-2026-106177

Name of the Vulnerable Software and Affected Versions Ghost versions 6.34.0 through 6.66.0 Description Embed cards in the editor allow staff users, including those with Contributor roles, to bypass protections against stored cross-site scripting XSS. This occurs when scripts are stored in post...

PT-2026-106183

Name of the Vulnerable Software and Affected Versions Ghost versions 4.22.0 through 6.64.0 Description SVG media thumbnails and SVG images uploaded with a non-SVG file extension are stored without sanitization. This allows staff users, including those with Contributor roles, to host malicious...

PT-2026-106185

Name of the Vulnerable Software and Affected Versions Ghost versions 5.94.0 through 6.63.0 Description Ghost, a Node.js content management system, allows staff users, including those with Contributor roles, to host arbitrary HTML on the site domain. This occurs when creating a bookmark card, as t...