GHSA-4X4J-2G7C-83W6 Pillow: WindowsViewer.get_command() OS command injection via unescaped shell path

Summary WindowsViewer.getcommand constructs a cmd.exe shell command by directly embedding a file path into an f-string without escaping. The result is passed to subprocess.Popen..., shell=True. Shell metacharacters in the file path — most importantly a double-quote " that breaks out of the...