This page lists installed plugins, finds those that are updated and tells you where to get updates: https://www.mozilla.org/plugincheck/ https://www.mozilla.or

This page lists installed plugins, finds those that are updated and tells you where to get updates: https://www.mozilla.org/plugincheck/ https://www.mozilla.org/plugincheck/ Though that isn't as newbie-proof as what Chromium does (blocks outdated plugins, though they an infobar allows running them from the current page).