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 compromise other staff users' admin sessions.

CVSS 4.0

8.5CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

7.3CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 16% of CVEs (scores of 2026-10-25)

CWE

CWE-79

Published

2026-10-02

Modified

2026-10-02

Record from

the NVD, synced 2026-10-19

Packages (OSV)

References

• https://github.com/TryGhost/Ghost/security/advisories/GHSA-gfjp-2p8f-94qv
• https://www.vulncheck.com/advisories/ghost-6.22.1-before-6.64.0-stored-xss-via-local-storage-file-uploads

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