NorthStar C2 agent version 1.0 applies insufficient sanitization on agent registration routes, allowing an unauthenticated attacker to send multiple malicious agent registration requests to the teamserver to incrementally build a functioning javascript payload in the logs web page. This cross site scripting payload can be leveraged to execute commands on NorthStar C2 agents.
e3d03b1bb5d42cd9ee527169a57dc6bfa52c6c6b50d4e1a990a6c9443e01b3b1