A command injection vulnerability exists in Jitsi before commit 8aa7be58522f4264078d54752aae5483bfd854b2 when launching browsers on Windows which could allow an attacker to insert an arbitrary URL which opens up the opportunity to remote execution.
https://github.com/jitsi/jitsi/commit/8aa7be58522f4264078d54752aae5483bfd854b2