Description
Ghost versions before 6.20.0 contain a file extension filtering bypass vulnerability that allows unauthenticated attackers to read theme templates and metadata. Attackers can use URL encoding to bypass extension validation and access sensitive theme files.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| TryGhost | Ghost | < 6.20.0 | 6.20.0 |
References
- GitHub Security Advisory (GHSA-6v8p-3jx9-8chr) vendor-advisory
- VulnCheck Advisory: Ghost before 6.20.0 File Read via URL Encoding Bypass third-party-advisory