In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the password plugin of the Roundcube Webmail was subject to username spoofing via session data, which could lead to account takeover.
Exploitability
AV:NAC:HPR:LUI:RScope
S:UImpact
C:HI:HA:N6.4/CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:NOther