CVE-2026-104411

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-bearing files to the site's domain to...

PT-2026-104222

Name of the Vulnerable Software and Affected Versions Ghost versions 6.22.1 through 6.63.x Description A stored cross-site scripting issue exists where staff users can host malicious scripts by uploading files that are served with extension-derived content types using the default local storage...

CVE-2026-104411: Improper Neutralization of Input During Web Page Generation

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-bearing files to the site's domain to...

CVE-2026-104413: Improper Neutralization of Input During Web Page Generation

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 files from external websites as icons or...

PT-2026-104224

Name of the Vulnerable Software and Affected Versions Ghost versions 5.94.0 through 6.63.0 Description A stored cross-site scripting issue exists that allows staff users, such as Contributors, to host arbitrary HTML. This is achieved by abusing the bookmark card image fetching mechanism, where...

CVE-2026-104414: Improper Neutralization of Input During Web Page Generation

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 stores scripts that run in the Ghost...

CVE-2026-104415: Observable Discrepancy

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 hash ordering, though this does not...

CVE-2026-103292

Ghost versions from 0.5.3 through versions prior to 6.50.0 fail to sanitize the data placed in the JSON-LD HTML tag emitted by the ghosthead helper. An authenticated user with limited privileges can inject unescaped content that is rendered as script in the published page, potentially leading to...

CVE-2026-103290

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 data storage directories on the server...

CVE-2026-103291

Ghost versions from 3.20.2 before 6.51.0 contain a server-side request forgery vulnerability in image dimension refetching that allows authenticated staff users to trigger outbound HTTP requests to arbitrary URLs. Attackers can point image cards at attacker-controlled hosts or internal network...

CVE-2026-103284

Ghost versions from 5.125.1 before 6.57.1 contain an information disclosure vulnerability in the Admin Feedback endpoint that allows unauthorized staff users to access member data. Attackers with staff privileges can query the feedback endpoint to retrieve sensitive member information without...

CVE-2026-103282

Ghost versions 0.5.0 before 6.23.0 contain a concurrency issue in the staff invitation acceptance mechanism that allows multiple accounts to be created from a single invite token. Attackers can exploit this race condition by submitting concurrent requests with the same invitation token to create...

CVE-2026-103281

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 available only to higher-privileged users...

CVE-2026-103286

Ghost versions from 2.21.0 before 6.56.0 contain a privilege escalation vulnerability in the notifications system that allows low-privilege staff users to escalate to higher-privilege staff roles. Attackers with low-privilege staff access can exploit the notifications system to gain elevated...

CVE-2026-103283

Ghost versions 6.20.0 before 6.57.1 contain a session handling vulnerability that allows authenticated staff users to log in as any other staff user with only the password, bypassing two-factor authentication. Attackers with valid staff credentials can exploit improper session management to...

CVE-2026-103275

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. Staff-level attackers can infer other sta...

CVE-2026-103272

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 sensitive information without...

CVE-2026-103268

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 regain active account access and...

CVE-2026-103273

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 assigned privilege level...

CVE-2026-103267

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 addresses, or legitimate recipients can...