PC World - Mozilla last night announced that two experimental Firefox add-ons, Master Filer and the Sothink *** Video Downloader version 4, infected victim PCs with Trojans when either add-on was installed.
Source
PC World - Mozilla last night announced that two experimental Firefox add-ons, Master Filer and the Sothink *** Video Downloader version 4, infected victim PCs with Trojans when either add-on was installed.
Source