I install the security patch: 9767 on Magento version

after that, all forms like admin login form, customer login form, cart etc all are working stop as well as admin show me error like Invalid Form Key. Please refresh the page.

I also revert the patch file manually one by one, but still, I face the issue please help if you know the way.

  • remove cache and session once
    – Raghu
    Commented Jul 1, 2017 at 10:59
  • I alredy tried this
    – Rajan Soni
    Commented Jul 1, 2017 at 11:16

1 Answer 1


I think you have enabled Form Key Validation On Checkout.

Please follow instructions given in below thread.

Security Patch SUPEE-9767 - Possible issues?

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