CVE-2026-54253 TS3 Manager: Reflected XSS via /api/download port parameter steals operator session

TS3 Manager is modern web interface for maintaining Teamspeak3 servers. Prior to 2.2.6, the /api/download handler in packages/server/routes/api.js passes the attacker-controlled port query parameter to socket.connectport, host and returns the resulting error.message through...