Ghost through 5.76.0 allows stored XSS, and resultant privilege escalation in which a contributor can take over any account, via an SVG profile picture that contains JavaScript code to interact with the API on localhost TCP port 3001. NOTE: The discoverer reports that "The vendor does not view this as a valid vector."
{
"cpes": [
"cpe:2.3:a:ghost:ghost:*:*:*:*:*:node.js:*:*"
],
"severity": "Critical"
}