Résumé
Ghost: Cross-Site Scripting in Universal Import
Détails de l’avis
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. 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.
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.
Références
- https://github.com/advisories/GHSA-2gx6-7gx2-wwcf
- https://github.com/TryGhost/Ghost/security/advisories/GHSA-2gx6-7gx2-wwcf
- https://github.com/TryGhost/Ghost/pull/29635
- https://github.com/TryGhost/Ghost/commit/a8bea3a4ceec4c852b880f4885119453c3d8588e
- https://github.com/TryGhost/Ghost/releases/tag/v6.54.1
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