The website configured in the URL widget will receive a session cookie when testing or executing scheduled reports. The received session cookie can then be used to access the frontend as the particular user.
Exploitability
AV:NAC:LPR:NUI:RScope
S:CImpact
C:HI:HA:H9.6/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HOther