High severity7.3NVD Advisory· Published Oct 2, 2026

CVE-2026-104413

Description

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 thumbnails to compromise other staff users' admin sessions.

Affected products

Ghostty/Ghosttyllm-fuzzy
Range: <6.64.0

Patches

Vulnerability mechanics

References

github.com/TryGhost/Ghost/security/advisories/GHSA-347q-26qq-h2p6nvd
www.vulncheck.com/advisories/ghost-5.94.0-before-6.64.0-stored-xss-via-bookmark-card-imagesnvd

News mentions

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