CVE-2026-103279

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...

CVE-2026-103276

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...

CVE-2026-103278

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 users, enable account takeover through...

CVE-2026-103269

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...

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-2026-103271

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 authentication...

CVE-2026-103274

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...

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-2026-103272

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-2026-103267

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...

CVE-2026-103266

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 to the member. Depending on the...

EUVD-2026-90685

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-2026-103292

Ghost versions from 0.5.3 through versions prior to 6.50.0 are vulnerable to a Cross-Site Scripting (XSS) flaw. The root cause is a failure to sanitize data placed in the JSON-LD HTML tag emitted by the {{ghost_head}} helper . An authenticated user with limited privileges can inject unescaped con...

CVE-2026-103292 Ghost 0.5.3 before 6.50.0 Cross-Site Scripting via ghost_head

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-2026-103292 Ghost 0.5.3 before 6.50.0 Cross-Site Scripting via ghost_head

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-2026-103292 Ghost 0.5.3 before 6.50.0 Cross-Site Scripting via ghost_head

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...

EUVD-2026-90684

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-2026-103291 Ghost 3.20.2 before 6.51.0 SSRF via image-size fetch

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-2026-103291

Ghost versions from 3.20.2 before 6.51.0 are vulnerable to a server-side request forgery (SSRF) in the image dimension refetching functionality. This flaw allows authenticated staff users to trigger outbound HTTP requests to arbitrary URLs. An attacker can exploit this by pointing image cards at ...

CVE-2026-103291 Ghost 3.20.2 before 6.51.0 SSRF via image-size fetch

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...