Add-ons that cause stability or security issues are put on a blocklist
- Revision id: 163670
- Creator: Caitlin Neiman
- Comment: General updates about blocklisting
- Reviewed: No
- Ready for localization: No
Table of Contents
- 1 What does the blocklist do?
- 2 What to do if you see a blocklist notification
- 3 Can blocks be lifted?
- 4 What unsafe add-ons are on the blocklist?
What does the blocklist do?
Disables unsafe add-ons
Firefox will block the unsafe add-on from loading and present you with the following message:
To prevent these add-ons from running, click .
Blocks unsafe add-ons from being installed
Once an add-on has been blocklisted, it will not appear in the gallery of addons.mozilla.org until the developer uploads a new version that addresses all issues that resulted in the block request.
Additionally, Firefox will prevent you from installing an unsafe add-on that is on the blocklist by displaying this message:
Prevents plugins from running automatically
Firefox can prevent a plugin from running automatically (which prevents many issues). When Firefox blocks a plugin you'll see a message similar to this:
You can then choose to run the plugin or update it (if an update is available). To learn more, see Why do I have to click to activate plugins?
What to do if you see a blocklist notification
Accept the notification and restart Firefox.
Check to see if there's an updated version of your plugin. If there are no plugin updates available, you may need to contact the developer of the plugin that was blocked.
If you were blocked from installing an add-on, check to see if there is an updated version of the add-on you were trying to install. Please be aware that some blocks may be permanent and you may need to find an alternative add-on.
Can blocks be lifted?
Depending on the severity of the violation, the history of the developer, and other relevant factors, some blocks may be lifted once the developer uploads a new approved version. If that happens, users who had previously downloaded the add-on will immediately be able to use it again once its listing goes live again on addons.mozilla.org.
What unsafe add-ons are on the blocklist?
See the list of blocked add-ons.