Flash Player Plugin 10.2.* and lower (click-to-play) has been blocked for your protection.

Why was it blocked?
Old versions of the Flash Player plugin are potentially insecure and unstable. All users are strongly recommended to check for updates at our plugin check page.

For more information and feedback, please visit this post.
Who is affected?
All users who have these versions of the Flash plugin installed in Firefox 18 and above.
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.