An expired certificate on the Mozilla Add-ons infrastructure is disabling Firefox add-ons for millions of users, and is also preventing users from re-activating or (re-)installing extensions. The ...

As more and more versions of Firefox are released, the compatibility of add-ons is becoming an increasingly worrisome problem for Mozilla. CNET contributor Don Reisinger is a technology columnist who ...

Firefox 57 is set to bring the biggest shake-up that Mozilla's browser ecosystem has seen in quite some time, and the simple reason is that a huge number of browser extensions and add-ons are set to ...

Firefox supports small programs, or plug-ins, that add extra functionality to the browser. These programs are called Add-ons. These programs can add a myriad of features ranging from a new toolbar ...

GhostPoster is an example of how malware can hide in browser extensions. Being selective about the add-ons you install and ...

GhostPoster malware hid inside 17 Firefox add-ons, abusing logo files to hijack links, inject tracking code, and run ad fraud ...

A new campaign dubbed 'GhostPoster' is hiding JavaScript code in the image logo of malicious Firefox extensions counting more ...

LastPass works with Firefox thanks to the password encryption company's browser add-on. To get LastPass to work with Firefox, type "about: addons" into the URL bar ...

Firefox isn’t the most popular browser in the world — that honor now goes to Google Chrome — but it still has an ardent following. And after slipping in recent years, it has been on something of a ...