Thanks @tuxboson! That information really helped! Indeed, the plugin is not properly encoding username and password, so the "&" character was passed to the server unquoted, causing it to be interpreted as the beginning of another query item.
We'll fix this.
Thanks @tuxboson! That information really helped! Indeed, the plugin is not properly encoding username and password, so the "&" character was passed to the server unquoted, causing it to be interpreted as the beginning of another query item.
We'll fix this.