[ CVE-2026-103277 · Published 1 Oct 2026 ]
Vulnerability in TryGhost Ghost
CVSS 8.1
EPSS <1%No fix listed yet
[ Description ]Official description
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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.