Adblock Plus ($rewrite filter) has been blocked for your protection.

Why was it blocked?
The $rewrite filter functionality allows for remote script injection under certain conditions. Please upgrade to the latest version of Adblock Plus to resolve this issue.
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.