CVE-2026-70593 — Ghost: Theme Upload Path Traversal
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. Th…
Published: 2026-08-04 · CVSS: 6.6 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7