GettyFirefox extensions have been broken for many users since Friday 3 May after Mozilla failed to renew a security certificate. Yesterday, Mozilla announced via Twitter that it had issued a temporary fix. You can check if you have studies enabled by going to Firefox Preferences -> Privacy & Security -> Allow Firefox to install and run studies. Not all usersBut the temporary fix doesn’t work for all Firefox users: for example those that use Android, the Tor browser, or the Extended Support Release of Firefox. However, this presents a security risk, Troy Mursch, security researcher at Bad Packets told me.

Source: Forbes May 05, 2019 09:00 UTC