8x8: jitsi-meet: Prosody/Jigasi missing header whitelist in mod_filter_iq_rayo allows arbitrary SIP header injection and Caller ID spoofing

A vulnerability was discovered in the Prosody and Jigasi components of Jitsi Meet. The Prosody filter implemented an incomplete blocklist that allowed authenticated users with outbound-call privileges to inject arbitrary SIP headers, enabling Caller ID spoofing on outgoing SIP calls in environmen...