MajorCritical vulnerability
CVE-2026-103277 (CVSS 8.6)
NVD · officialPublished Oct 1, 2026Risk 37/100
Ghost versions from 2.5.0 before 6.34.0 contain an untrusted script execution vulnerability in the oEmbed preview feature that fails to sandbox externally hosted scripts. Attackers can craft malicious oEmbed content to execute scripts in the context of a staff user's admin session, potentially compromising administrative access.
Technical details
CVSS
8.6
AV:NetworkAC:LowPR:NoneUI:Passive
Evidence and sources
This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.
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