62 results · Feed
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Medium 6.5
Ghost: Authorization Issue Allowed Author Role to Delete any Post
Ghost is a Node.js content management system. From 5.81.0 until 6.60.0, staff with the Author role could delete posts and pages that they did not author. This issue is fixed in version 6.60.0.
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High 7.3
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 si…
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Medium 4.0
Ghost: Private IP Filtering Bypass via IPv6 Transition Addresses
Ghost is a Node.js content management system. From 6.0.9 until 6.65.0, 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 on…
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Medium 4.0
Ghost: Server-Side Request Forgery in Bookmark Fetching
Ghost is a Node.js content management system. From 6.54.1 until 6.65.0, 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. …
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Medium 4.9
Ghost: Regular Expression Denial of Service in Content Import
Ghost is a Node.js content management system. From 4.0.0 until 6.67.0, a crafted content import file could cause excessive CPU usage, making the Ghost server unresponsive. Exploiting this requires Administrator access. This issue is fixed in version 6.67.0.
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Medium 4.9
Ghost: Regular Expression Denial of Service in External Media Inliner
Ghost is a Node.js content management system. From 5.37.0 until 6.67.0, a crafted request to the external media inliner could cause excessive CPU usage, making the Ghost server unresponsive. Exploiting this requires Administrator access. This issue is fixed i…
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Medium 6.8
Ghost: Stored XSS via SVG Files in Content Imports
Ghost is a Node.js content management system. From 4.0.0 until 6.67.0, SVG images included in content imports were stored without sanitization. An attacker who convinced an Administrator to import a crafted file could host scripts on the site's domain, possib…
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High 7.3
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 …
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High 8.8
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-controll…
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High 7.2
Ghost from 6.10.3 before 6.64.0 RCE via Theme Translation Files
Ghost from 6.10.3 before 6.64.0 contains a remote code execution vulnerability that allows authenticated administrators to run code by abusing theme translation file loading. Attackers with administrator access can upload a crafted theme containing malicious …
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Medium 4.9
Ghost 1.20.0 before 6.64.0 Path Traversal via Locale Setting
Ghost from 1.20.0 before 6.64.0 contains a path traversal vulnerability in theme translation file loading that allows authenticated administrators to read JSON files outside the active theme directory. Attackers can manipulate the locale setting to load JSON …
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High 7.5
Ghost 4.39.0 before 6.64.0 Invite Token Disclosure via Admin API
Ghost from 4.39.0 before 6.64.0 contains an information disclosure vulnerability in the Admin API that allows staff users to view secret tokens of pending staff invites. Staff users with invite viewing permission can accept pending invites for higher-privileg…
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Low 3.1
Ghost 0.7.2 before 6.64.0 Password Hash Ordering Disclosure via Admin API
Ghost from 0.7.2 before 6.64.0 contains an information disclosure vulnerability in the Admin API that allows staff-level users to determine the relative ordering of other staff users' password hashes. Authenticated staff users can query the Admin API to infer…
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High 8.1
Ghost from 2.5.0 before 6.64.0 Stored XSS via oEmbed Photo Responses
Ghost from 2.5.0 before 6.64.0 contains a stored cross-site scripting vulnerability that allows attackers to inject untrusted scripts into post content via oEmbed photo responses. Attackers can host malicious oEmbed photo responses so that embedding their URL…
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High 7.3
Ghost 5.94.0 before 6.64.0 Stored XSS via Bookmark Card Images
Ghost from 5.94.0 before 6.64.0 contains a stored cross-site scripting vulnerability that allows staff users, including Contributors, to host arbitrary HTML by abusing bookmark card image fetching. Attackers can create bookmark cards that store non-image file…
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Medium 4.3
Ghost 0.5.0 before 6.64.0 Privilege Escalation via Staff Role Assignment
Ghost 0.5.0 before 6.64.0 does not correctly restrict staff role assignment, allowing users with the Editor or Super Editor role to assign their own role to other staff despite lacking permission to do so. An authenticated Editor or Super Editor can promote A…
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High 7.3
Ghost 6.22.1 before 6.64.0 Stored XSS via Local Storage File Uploads
Ghost from 6.22.1 before 6.64.0 contains a stored cross-site scripting vulnerability that allows staff users to host scripts by uploading files served with extension-derived content types on the default local storage adapter. Attackers can upload script-beari…
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Medium 6.5
Ghost 5.9.0 before 6.44.1 Authorization Bypass via Comments
Ghost from 5.9.0 before 6.44.1 contains an input validation issue in the comments feature that allows authenticated members to access comments they are not authorized to view, resulting in disclosure of restricted comment data.
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Low 3.8
Ghost 6.14.0 before 6.27.0 Path Traversal via ImageSize
Ghost versions 6.14.0 through versions prior to 6.27.0 contain a path traversal vulnerability in the ImageSize service. Insufficient input validation of user-supplied file paths may allow authenticated staff users to access local files outside the intended da…
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Medium 6.5
Ghost 5.9.0 before 6.44.1 Authorization Bypass via Comment Like
Ghost, an open-source publishing platform, contains an input validation flaw in its comment like feature in versions from 5.9.0 before 6.44.1. An authenticated member can delete comment likes or dislikes belonging to other users that they are not authorized t…
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Low 2.7
Ghost 1.18.0 before 6.27.0 Server-Side Request Forgery via Webhook
Ghost versions 1.18.0 before 6.27.0 contain a server-side request forgery vulnerability in the webhooks feature that allows staff users to probe internal hosts. Attackers with staff privileges can craft webhook requests to access internal network resources fr…
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Medium 4.3
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 feature_image_caption that could be used to hijack another staff user's Ghost Admin session, resulting in …
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Medium 4.0
Ghost: Server-Side Request Forgery Mitigation Issue
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. …
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Medium 6.7
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 sa…
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Medium 6.6
Ghost: Theme Upload Path Traversal
Ghost is a Node.js content management system. From 0.10.0 until 6.54.1, 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 through custom theme up…
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Medium 5.5
Ghost: Database Backup Path Traversal
Ghost is a Node.js content management system. From 1.20.1 until 6.54.1, an Administrator-level user could remotely overwrite certain files on the filesystem through the database backup filename, leading to integrity and availability issues. The database expor…
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Medium 4.1
Ghost: Server-Side Request Forgery in Image Fetching
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…
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Medium 4.8
Ghost: Blind Password Hash Disclosure in Ghost Admin API
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 i…
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Medium 4.8
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.
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Medium 5.0
Ghost: Cross-Site Scripting in Universal Import
Ghost is a Node.js content management system. From 5.26.0 until 6.54.1, the Universal Import feature in Ghost Admin failed to properly sanitize imported content resulting in XSS in post content. This issue is fixed in version 6.54.1.
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Medium 5.3
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 exposi…
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Critical 9.6
Ghost: Cache-poisoning XSS in Ghost frontend via x-ghost-preview header
Ghost is a Node.js content management system. From until 6.37.0, when Ghost is behind a shared caching layer that results in cached content being shared between different visitors, an unauthenticated user could send an x-ghost-preview header that altered the …
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Medium 5.8
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 addre…
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Medium 4.0
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 fe…
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Medium 5.4
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 imag…
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Medium 5.3
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 …
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Medium 5.4
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 typ…
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Medium 5.3
Ghost Content API filter bypass reveals private fields
Ghost is a Node.js content management system. From 5.46.1 until 6.21.2, the validation applied to filters on the public API endpoints could be partially bypassed, making it possible to reveal private fields via a brute force attack. If SQLite was used as the …
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High 7.5
Ghost: Incomplete CSRF protections around OTC use
Ghost is a Node.js content management system. From version 5.101.6 to 6.19.2, incomplete CSRF protections around /session/verify made it possible to use OTCs in login sessions different from the requesting session. In some scenarios this might have made it ea…
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High 7.7CVE-2026-29053 Public exploit
Ghost Vulnerable to Remote Code Execution via Malicious Themes
Ghost is a Node.js content management system. From version 0.7.2 to 6.19.0, specifically crafted malicious themes can execute arbitrary code on the server running Ghost. This issue has been patched in version 6.19.1.