Ubisoft Uplay has been blocked for your protection.

Why was it blocked?
Version of the Ubisoft Uplay plugin has a security vulnerability that can be exploited by malicious websites to gain control of the user's system.
Who is affected?
All Firefox users who have this plugin installed.
What does this mean?

The problematic add-on or plugin will be automatically disabled and no longer usable.

When Mozilla becomes aware of add-ons, plugins, or other third-party software that seriously compromises Firefox security, stability, or performance and meets certain criteria, the software may be blocked from general use. For more information, please read this support article.