Ubisoft/Uplay security risk - malicious remote access from websites
from
Elemental Forums
If you have Uplay installed and it added an extension to your web-browser, now is the time to disable that extension.
Firefox:
Tools – Add-ons – Plugins – Disable the Uplay and Uplay PC Hub plugins
Chrome:
Visit about:plugins and disable
Opera:
Settings – Preferences – Advanced – Downloads – Search “Uplay”, delete
http://www.rockpapershotgun.com/2012/07/30/psa-possible-security-risk-in-some-ubisoft-pc-games/