Katsem File Upload Hot [new] -

Video files should be formatted as .mp4 , .mov , or .mkv . If a download link gives you a .zip file that extracts into an application or executable, delete it immediately.

Attackers upload .php , .exe , or .js payloads to execute arbitrary code. katsem file upload hot

Verifying the MIME type sent by the browser matches the expected file type. Video files should be formatted as