Try using this one instead (it works for me on latest NodeBB)
Link Preview Image GitHub - TheWorms/nodebb-plugin-embed: Embed media and rich content in posts: YouTube, Vimeo, Twitch and more.Embed media and rich content in posts: YouTube, Vimeo, Twitch and more. - TheWorms/nodebb-plugin-embed
faviconGitHub (github.com)