High severity7.3NVD Advisory· Published Oct 1, 2026

CVE-2026-103278

Description

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 improper input validation.

Affected products

Tryghost/Ghostllm-fuzzy
Range: <6.34.0

Patches

Vulnerability mechanics

References

github.com/TryGhost/Ghost/security/advisories/GHSA-5pxf-whwv-g54gnvd
www.vulncheck.com/advisories/ghost-5.8.0-before-6.34.0-staff-account-takeover-via-admin-iframenvd

News mentions

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cvss	0.474
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000