GHSA-hqq2-xqr2-fmx2 Ghost : Stored XSS via SVG Files in Content Imports

• npm ghost: >= 4.0.0, < 6.67.0 → fixed in 6.67.0

Impact 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. Vulnerable versions This vulnerability is present in Ghost from v4.0.0 up to v6.65.0. Patches v6.67.0 contains a fix for this issue. How to update 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. References Ghost thanks Zhixi "Jace" Sun, independent security researcher, for disclosing this vulnerability responsibly. For more information If you have any questions or comments about this advisory, email us at [email protected].