Ghost versions 6.14.0 through versions prior to 6.27.0 contain a path traversal vulnerability in the ImageSize service. Insufficient input validation of user-supplied file paths may allow authenticated staff users to access local files outside the intended data storage directories on the server.
https://www.vulncheck.com/advisories/ghost-6.14.0-before-6.27.0-path-traversal-via-imagesize
https://github.com/TryGhost/Ghost/security/advisories/GHSA-83rp-q473-j88c
Published: 2026-10-01
Updated: 2026-10-01
Base Score: 4.7
Vector: CVSS2#AV:N/AC:L/Au:M/C:P/I:N/A:P
Severity: Medium
Base Score: 3.8
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:L
Severity: Low
Base Score: 5.1
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
Severity: Medium
EPSS: 0.00275