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CVE-2026-103277

8.1 HIGHpublic exploit available

Published 2026-10-01 · Updated 2026-10-01

AI risk analysis

Summary
The flaw allows attackers to execute untrusted scripts in the context of an admin session via malicious oEmbed content, potentially leading to administrative access compromise.
Exploitability
Exploitation is moderately hard as it requires crafting specific oEmbed content, but preconditions include the target having the affected version installed and users being logged in.
Blast radius
If exploited, the impact is high as it could lead to full administrative access compromise, affecting the entire system.
Detection
No reliable host or network indicator is derivable from the published description.
Prioritized remediation
Upgrade to Ghost 6.34.0 or later.
rcewebadminvulnerability

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

NVD 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.

CVSS vector

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

Weaknesses

CWE-79

Public exploit & PoC references

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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