Missing about:blank indicator in custom-sized new windows in Dia before 1.9.0 on macOS could allow an attacker to spoof a trusted domain in the window title and mislead users about the current site.
Exploitability
AV:NAC:LPR:NUI:RScope
S:CImpact
C:NI:HA:N7.4/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:NOther