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BIT-ghost-2026-70588 — Ghost: Cross-Site Scripting in Universal Import

Affected: Bitnami: ghost

Ghost is a Node.js content management system. From 5.26.0 until 6.54.1, the Universal Import feature in Ghost Admin failed to properly sanitize imported content resulting in XSS in post content. This issue is fixed in version 6.54.1.

EUVD-2026-348722

fkie_cve-2026-70588

GHSA-2gx6-7gx2-wwcf — Ghost: Cross-Site Scripting in Universal Import

Affected: npm: ghost

### Impact

The Universal Import feature in Ghost Admin failed to properly sanitize imported content resulting in XSS in post content.

### Vulnerable versions

This vulnerability is present in Ghost from v5.26.0 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).

### Workarounds

If upgrading immediately is not possible, avoid using the Universal Import feature.

### References

Ghost thanks meifukun for disclosing this vulnerability responsibly.

### For more information

If you have any questions or comments about this advisory, email us at [security@ghost.org](mailto:security@ghost.org).