Ghost before 5.42.1 allows remote attackers to read arbitrary files within the active theme's folder via /assets/built%2F..%2F..%2F/ directory traversal. This occurs in frontend/web/middleware/static-theme.js.
{
"cpes": [
"cpe:2.3:a:ghost:ghost:*:*:*:*:*:node.js:*:*"
],
"severity": "High"
}