GHSA-gcvv-72q8-9v76
Ghost: Server-Side Request Forgery in Image Fetching
Quick fix
GHSA-gcvv-72q8-9v76 — ghost: upgrade to the fixed version with the command below.
npm install ghost@6.54.1Details
### Impact
A Server-Side Request Forgery (SSRF) in Ghost Admin allowed any staff-level user to perform a blind HTTP GET request against internal hosts. No output was returned, but this could have been used to probe open ports on internal hosts.
### Vulnerable versions
This vulnerability is present in Ghost from v0.10.0 up to v6.54.0.
### Patches
v6.54.1 contains a fix for this issue.
### How to update
For self-hosters using Docker, find [Docker's official Ghost image here](https://hub.docker.com/_/ghost). Updating a Docker-based Ghost instance [is documented here](https://docs.ghost.org/install/docker#updating-ghost).
If your Ghost is a Ghost-CLI install see our documentation on [updating it to the latest version here](https://docs.ghost.org/update).
### References
Ghost thanks Younghun Ko, vx77, and Miguel Segovia Gil for disclosing this vulnerability responsibly.
### For more information
If you have any questions or comments about this advisory, email Ghost at [security@ghost.org](mailto:security@ghost.org).
Are you affected?
Enter the version of the package you're using.