Advisories for Npm/Express-Gateway package

A cross-site scripting (XSS) issue exists in ExpressGateway up to 1.16.10 in the REST endpoint implemented in lib/rest/routes/users.js. User-controlled input is reflected into the HTTP response without proper sanitization, allowing arbitrary JavaScript execution in the browser of a logged-in user who views the affected page/route. The attack can be triggered over the network with low complexity and requires a low-privileged authenticated context and user interaction (viewing the page). Impact is …

A cross-site scripting (XSS) issue exists in ExpressGateway ≤ 1.16.10 in lib/rest/routes/apps.js. User-controlled data returned by the REST endpoint is not sanitized before being rendered by the admin/UI layer, allowing an authenticated, low-privileged actor to store or reflect a payload that executes in a maintainer’s browser when the resource is viewed. The issue can be triggered remotely over the network and does not impact availability. No vendor fix is available …