CVE-2026-104413
8.5
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| TryGhost | Ghost | 5.94.0 < 6.64.0 | affected |
| TryGhost | Ghost | 6.64.0 | unaffected |
Weaknesses
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
- https://github.com/TryGhost/Ghost/security/advisories/GHSA-347q-26qq-h2p6
- https://www.vulncheck.com/advisories/ghost-5.94.0-before-6.64.0-stored-xss-via-bookmark-card-images
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