Vendor
TryGhost
88 known vulnerabilities.
Products
88 results · Feed
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Medium 5.4
Ghost 3.23.0 before 6.23.0 API Key Exposure via Admin API
Ghost (npm package 'ghost') versions from 3.23.0 up to, but not including, 6.23.0 expose API keys to users with low-privilege staff accounts. An authenticated low-privilege staff user can read API keys returned by the Admin API, which are intended to be avail…
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Medium 6.8
Ghost 3.10.0 before 6.34.0 Session Invalidation Bypass
Ghost versions from 3.10.0 before 6.34.0 fail to fully invalidate all sessions after a password change. Attackers with a stolen session cookie can maintain access to user accounts even after the associated user changes their password.
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Medium 5.3
Ghost 0.8.0 before 6.23.0 Information Disclosure via Setup Endpoint
Ghost from version 0.8.0 before 6.23.0 contains an information disclosure vulnerability in its setup endpoint: the endpoint responds to unauthenticated requests with the site owner's email address, allowing any remote visitor to obtain it.
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High 7.3
Ghost 5.8.0 before 6.34.0 Staff Account Takeover via Admin iframe
Ghost versions 5.8.0 before 6.34.0 contain an input validation vulnerability in the admin iframe that allows attackers to take over staff user accounts. Attackers with content publishing privileges can craft malicious pages that, when visited by active staff …
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High 8.1
Ghost 2.5.0 before 6.34.0 Untrusted Script Execution via oEmbed
Ghost versions from 2.5.0 before 6.34.0 contain an untrusted script execution vulnerability in the oEmbed preview feature that fails to sandbox externally hosted scripts. Attackers can craft malicious oEmbed content to execute scripts in the context of a staf…
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Medium 4.3
Ghost 5.42.2 before 6.58.0 Password Hash Disclosure
Ghost 5.42.2 before 6.58.0 contains an information disclosure vulnerability in the Admin API bulk post and page edit and delete endpoints, which accept filters on restricted fields such as authors.password, because of an incomplete fix for CVE-2026-70590. Sta…
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Medium 5.3
Ghost before 6.20.0 File Read via URL Encoding Bypass
Ghost versions before 6.20.0 contain a file extension filtering bypass vulnerability that allows unauthenticated attackers to read theme templates and metadata. Attackers can use URL encoding to bypass extension validation and access sensitive theme files.
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Medium 5.3
Ghost 5.3.0 before 6.58.0 Unauthenticated Comment Read
Ghost versions 5.3.0 before 6.58.0 fail to properly enforce access controls on comments in private mode. Unauthenticated visitors can read comments that should be restricted, bypassing privacy settings.
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High 7.5
Ghost 2.10.0 before 6.63.0 Staff Enumeration via Content API
Ghost versions from 2.10.0 before 6.63.0 contain a staff enumeration vulnerability in the content API that allows unauthenticated attackers to leak user data. Attackers can observe discrepancies in API metadata responses to enumerate staff members and extract…
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Medium 4.3
Ghost 4.3.0 before 6.58.0 Incorrect Authorization via Staff Token
Ghost versions 4.3.0 before 6.58.0 contain an authentication bypass vulnerability where lower-privilege staff users can use staff tokens to bypass post editing restrictions. Attackers with staff credentials can leverage tokens to edit posts beyond their assig…
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High 7.5
Ghost 4.0.0 before 6.63.0 Restricted Content Bypass
Ghost versions from 4.0.0 before 6.63.0 contain a content API vulnerability that allows unauthenticated visitors to access gated post content. Attackers can bypass content restrictions by directly querying the content API to retrieve restricted posts without …
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Medium 5.3
Ghost 5.3.0 before 6.62.0 Missing Authorization via Post Excerpts
Ghost versions 5.3.0 before 6.62.0 contain a missing authorization vulnerability that allows an authenticated site member to read the excerpts of posts they do not have access to (gated content).
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High 8.8
Ghost 1.0.0 before 6.62.0 Suspension Bypass via Password Reset
Ghost versions before 6.62.0 contain an authentication bypass vulnerability that allows suspended staff users to reactivate their accounts through self-service password reset. Attackers with suspended staff credentials can perform password reset operations to…
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Medium 4.3
Ghost 0.5.0 before 6.62.0 Arbitrary Email Registration via Staff Invite
Ghost versions before 6.62.0 contain an authentication bypass vulnerability in staff invite acceptance that allows users to specify any email address when creating their account. Attackers can accept leaked invite tokens with attacker-controlled email address…
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High 7.1
Ghost 5.2.0 before 6.62.0 Unauthenticated Stripe Checkout Account Modification
Ghost versions 5.2.0 through versions prior to 6.62.0 allow a remote attacker, without authentication, to abuse the Stripe Checkout flow to attach a paid subscription to an existing member, modify that member's name, and inject content into newsletters sent t…
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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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Low 3.7
Ghost CLI < 1.30.1 IP Spoofing via X-Forwarded-For Header
Ghost CLI before 1.30.1 contains an IP spoofing vulnerability that allows unauthenticated remote attackers to bypass rate-limiting controls by manipulating the X-Forwarded-For header through a misconfigured Nginx configuration. Attackers can append attacker-c…
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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
@tryghost/activitypub: XSS in Ghost's ActivityPub client
@tryghost/activitypub is Ghost’s social/federation client app. Prior to 3.1.0, the ActivityPub client in Ghost was vulnerable to JavaScript injection on posts shared by a maliciously customised ActivityPub server. This vulnerability is fixed in 3.1.0.
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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.
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Critical 9.4
Ghost has a SQL Injection in its Content API
Ghost is a Node.js content management system. Versions 3.24.0 through 6.19.0 allow unauthenticated attackers to perform arbitrary reads from the database. This issue has been fixed in version 6.19.1.
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High 8.8
Ghost vulnerable to XSS via malicious Portal preview links
Ghost is an open source content management system. In Ghost versions 5.43.0 through 5.12.04 and 6.0.0 through 6.14.0, an attacker was able to craft a malicious link that, when accessed by an authenticated staff user or member, would execute JavaScript with th…
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Medium 5.1
Ghost has SSRF via External Media Inliner
Ghost is a Node.js content management system. In versions 5.38.0 through 5.130.5 and 6.0.0 through 6.10.3, a vulnerability in Ghost’s media inliner mechanism allows staff users in possession of a valid authentication token for the Ghost Admin API to exfiltrat…
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Medium 6.7
Ghost has SQL Injection in Members Activity Feed
Ghost is a Node.js content management system. In versions 5.90.0 through 5.130.5 and 6.0.0 through 6.10.3, a vulnerability in Ghost's /ghost/api/admin/members/events endpoint allows users with authentication credentials for the Admin API to execute arbitrary …