Capgo before 12.128.2 contains an open redirect vulnerability in the confirm-signup endpoint that allows attackers to redirect users to arbitrary external websites. The confirmation_url parameter is not validated, enabling attackers to craft malicious links for phishing and credential harvesting attacks.
Exploitability
AV:NAC:LAT:NPR:NUI:AVulnerable System
VC:NVI:LVA:NSubsequent System
SC:NSI:LSA:N5.1/CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:L/SA:NInput Validation