EUVD-2026-91427

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-privileged roles to escalate their privileges...

CVE-2026-104416 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-privileged roles to escalate their privileges...

CVE-2026-104415

The Ghost platform (versions 0.7.2 before 6.64.0 ) contains an information disclosure vulnerability within the Admin API . Authenticated users with staff-level privileges can query the Admin API to determine the relative ordering of password hashes belonging to other staff users. While this allow...

EUVD-2026-91426

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-2026-104415 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 hash ordering, though this does not...

CVE-2026-104415 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 hash ordering, though this does not...

CVE-2026-104414

Ghost versions 2.5.0 before 6.64.0 are susceptible to a stored cross-site scripting (XSS) vulnerability. The root cause is the processing of untrusted scripts through oEmbed photo responses . An attacker can host malicious oEmbed responses which, when embedded, execute scripts in the Ghost editor...

CVE-2026-104414 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 stores scripts that run in the Ghost...

CVE-2026-104413

Ghost versions 5.94.0 before 6.64.0 are vulnerable to a stored cross-site scripting (XSS) vulnerability. This flaw occurs when the application allows staff users, including Contributors, to host arbitrary HTML by abusing the bookmark card image fetching mechanism. An attacker can create bookmark ...

EUVD-2026-91425

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-2026-104413 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 files from external websites as icons or...

CVE-2026-104414 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 stores scripts that run in the Ghost...

CVE-2026-104413 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 files from external websites as icons or...

CVE-2026-104414 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 stores scripts that run in the Ghost...

EUVD-2026-91424

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...

CVE-2026-104413 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 files from external websites as icons or...

CVE-2026-104412

Ghost versions 0.5.0 before 6.64.0 are vulnerable to a privilege escalation flaw due to improper restrictions on staff role assignments. An authenticated user with an Editor or Super Editor role can bypass permission checks to assign their own role to other staff members. Specifically, these user...

CVE-2026-104412 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 Author and Contributor users to Editor ...

EUVD-2026-91423

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 Author and Contributor users to Editor ...

CVE-2026-104412 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 Author and Contributor users to Editor ...