H2O Flow

This permission creates hidden browser documents with full DOM access. Rated High because it can run background operations invisibly, potentially executing malicious code without user awareness.

This permission allows storing data locally in the browser. Rated Medium because it can persist sensitive user data, track user activities over time, and potentially store malicious payloads.

This permission displays system notifications. Rated Low because it can only show user-visible notifications without accessing system data.

This permission schedules periodic tasks. Rated Low because it can only trigger events at specified times without access to sensitive data.