prosody before versions 0.10.2, 0.9.14 is vulnerable to an Authentication Bypass. Prosody did not verify that the virtual host associated with a user session remained the same across stream restarts. A user may authenticate to XMPP host A and migrate their authenticated session to XMPP host B of the same Prosody instance.
Exploitability
AV:NAC:HPR:LUI:NScope
S:UImpact
C:LI:LA:N4.2/CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:NOther