Unauthenticated SQL Injection
With Cachet prior to 2.3.18, there is a SQL injection which is in the
SearchableTrait#scopeSearch(). Attackers without authentication can utilize this vulnerability to exfiltrate sensitive data from the database such as administrator's password and session.
The original repository of Cachet https://github.com/CachetHQ/Cachet is not active, the stable version 2.3.18 and it's developing 2.4 branch is affected.
Update to version 2.5 or later in the forking repository https://github.com/fiveai/Cachet to fix this vulnerability.