| パッケージ | 影響を受けるバージョン | 修正済みバージョン |
|---|---|---|
| craftcms/cms | ≥ 4.0.0-RC1, < 4.17.9≥ 5.0.0-RC1, < 5.9.15 | 4.17.95.9.15 |
The exploitation requires a few permissions to be enabled in the used GraphQL schema:
The implementation fails to restrict the URL Scheme. While the application is intended to "upload assets", there is no whitelist forcing http or https. This allows attackers to use the Gopher protocol to wrap raw TCP commands.
Impact: Combined with the DWORD bypass, an attacker can hit internal services without triggering any "127.0.0.1" string-matching filters.
Example Payload: gopher://2130706433:6379/_FLUSHALL (Targets local Redis via DWORD).
Remediation Strategy
To prevent mathematical IP obfuscation, the application must normalize the hostname before validation.
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