If the Debian package flashplugin-nonfree
is installed but not functioning you can use the attached script to update the plugin from a link to the tarball.
Run the script with the default link:
./update_flash.sh
Alternatively, execute the script with your own link to the Flash archive
./update_flash.sh https://fpdownload.adobe.com/get/flashplayer/pdc/27.0.0.130/flash_player_npapi_linux.x86_64.tar.gz