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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| TryGhost | Ghost | 2.5.0 – < 6.34.0 | 6.34.0 |
References
- GitHub Security Advisory (GHSA-8vhf-xxpj-4qrg) vendor-advisory
- VulnCheck Advisory: Ghost 2.5.0 before 6.34.0 Untrusted Script Execution via oEmbed third-party-advisory