| Package | Affected versions | Patched versions |
|---|---|---|
| ghost | ≥ 4.0.0, < 6.67.0 | 6.67.0 |
SVG images included in content imports were stored without sanitization. An attacker who convinced an Administrator to import a crafted file could host scripts on the site's domain, possibly resulting in compromise of staff users' admin sessions.
This vulnerability is present in Ghost from v4.0.0 up to v6.65.0.
v6.67.0 contains a fix for this issue.
For self-hosters using Docker, find Docker's official Ghost image here. Updating a Docker-based Ghost instance is documented here.
If your Ghost is a Ghost-CLI install see our documentation on updating it to the latest version here.
Ghost thanks Zhixi "Jace" Sun, independent security researcher, for disclosing this vulnerability responsibly.
If you have any questions or comments about this advisory, email us at [email protected].
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