【超悲報】NoScript, Video DownloadHelper, Firebug, Greasemonkey, FlashGot Mass Downなどに致命的な脆弱性発覚、任意のウェブサイトを開かせるなど
http://arstechnica.com/security/2016/04/noscript-and-other-popular-firefox-add-ons-open-millions-to-new-attack/

NoScript, Firebug, and other popular Firefox add-on extensions are opening millions of end users to a new type of attack that can surreptitiously execute malicious code and
steal sensitive data, a team of researchers reported.
Noscript、Firebugなど人気のアドオンは機密データを流出させたり悪意のあるコードを実行できる脆弱性がオープン

"Malicious extensions that utilize this technique would be significantly more difficult to detect by current static or dynamic analysis techniques, or extension vetting procedures."
なお、探知不能