CVE-2026-70593EPSS p33.3%

CVE-2026-70593CVE-2026-70593

Description

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.

Scoring

CVSS 6.6 ()
VectorCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:L
EPSS0.41% probability of exploitation · percentile 33.3% · 2026-10-06T12:00:23Z
Last modified2026-09-08
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.