Thunder Elevation of Privilege

When downloading things, Thunder will call the htm file after we install thunder to activate some code in the htm file and add the downloaded things to the list. The corresponding htm file contains C: \ ProgramFiles \ ThunderNetwork \ Thunder \ Program \ geturl.htm, and C: \ ProgramFiles \ ThunderNetwork \

When thunder downloads things, it will call the htm file after we install thunder to activate some code in the htm file,
Add the downloaded content to the list.
The corresponding htm file contains two parts: C: \ Program Files \ Thunder Network \ Thunder \ Program \ geturl.htm
C: \ Program Files \ Thunder Network \ Thunder \ Program \ getAllurl.htm
If we want to add the code we want to execute?
Let's try to write a simple code. The Code is as follows: