MEDIUM 6.6 NVD
CVE-2026-70593
Ghost is a Node.js content management system. From 0.10.0 until 6.54.1, a vulnerability in custom themes allowed a staff user to write files outside of the uplo
Ghost is a Node.js content management system. From 0.10.0 until 6.54.1, a vulnerability in custom themes allowed a staff user to write files outside of the uploads directory. This could be used to alter the behavior of the installation through custom theme upload path traversal in LocalStorageBase and theme storage name handling. This issue is fixed in version 6.54.1.
References
- https://github.com/TryGhost/Ghost/commit/fbaa92327e52607036a1e42204c9eadcc751d82c
- https://github.com/TryGhost/Ghost/releases/tag/v6.54.1
- https://github.com/TryGhost/Ghost/security/advisories/GHSA-cjc9-q5gf-327p
This medium severity vulnerability with a CVSS score of 6.6 was published on 2026-08-04 via NVD.
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