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High 7.6
OpenC3 COSMOS: Stored, cross-user XSS via Telemetry screen BUTTON widget
OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. From 5.0.6 until 7.3.0, an authenticated actor with system_set permission can store a shared screen through POST /openc3-api/screen whose B…