Are Mozilla add ons safe?

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Tags

1. #mozilla
2. #official
3. #lists
4. #staying
5. #downloading
6. #store
7. #extensions
8. #browse
9. #extension
10. #search
11. #install
12. #currently
13. #primary
14. #directory
15. #classic
16. #browser
17. #users
18. #webextensions
19. #firefox