PT-2026-103809 · Tryghost · Ghost

CVE-2026-103277

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Published

2026-10-01

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Updated

2026-10-01

CVSS v3.1

8.1

High

VectorAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
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.

Fix

XSS

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Weakness Enumeration

Related Identifiers

CVE-2026-103277

Affected Products

Ghost