Can Origin header be spoofed?

Related questions

1. Can referer header be spoofed?
2. Is HTTP status code a header?
3. What is an Ajax request?
4. What is referrer in HTTP header?
5. What is header field?
6. What is Origin header?
7. What is a request header in Java?
8. What are headers in HTTP request?
9. What is content length in HTTP header?
10. How do I add a header to a URL?

Tags

1. #browser
2. #setting
3. #anything
4. #allowed
5. #allow
6. #value
7. #which
8. #origins
9. #cross
10. #origin
11. #override
12. #should
13. #access
14. #spoofed
15. #requests
16. #users
17. #header
18. #dictates
19. #browsers
20. #control