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"Anti Cross Site Request Forgery token error." I am trying to login to my school website. Only happens on firefox.

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"Anti Cross Site Request Forgery token error." I am trying to login to my school website. Only happens on firefox.

"Anti Cross Site Request Forgery token error." I am trying to login to my school website. Only happens on firefox.

All Replies (3)

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If you use extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) that can block content (Adblock Plus, NoScript, DuckDuckGo PE, Disconnect, Ghostery, Privacy Badger, uBlock Origin) always make sure such extensions do not block content.

Firefox shows a purple shield instead of a gray shield at the left end of the location/address bar in case Enhanced Tracking Protection is blocking content.

  • click the shield icon for more detail and possibly disable the protection

You can check the Web Console for relevant-looking messages about blocked content.


You can try these steps in case of issues with webpages:

You can reload webpage(s) and bypass the cache to refresh possibly outdated or corrupted files.

  • hold down the Shift key and left-click the Reload button
  • press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux)
  • press "Command + Shift + R" (Mac)

Clear the Cache and remove the Cookies for websites that cause problems via the "3-bar" Firefox menu button (Settings).

"Remove the Cookies" for websites that cause problems:

  • Settings -> Privacy & Security
    Cookies and Site Data: "Manage Data"

"Clear the Cache":

  • Settings -> Privacy & Security
    Cookies and Site Data -> Clear Data -> [X] Cached Web Content -> Clear

Start Firefox in Troubleshoot Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration or userChrome.css is causing the problem.

  • switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Themes
  • do NOT click the "Refresh Firefox" button on the Troubleshoot Mode start window
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alangonzalez0923 said

"Anti Cross Site Request Forgery token error." I am trying to login to my school website. Only happens on firefox.

I wonder if it could be as simple as this https://support.ucraft.com/en/articles/5491128-how-to-fix-the-csrf-token-mismatch-error-message

Where you whitelist the school website and remove all cookies related to school site and then reload page and try logging in again.

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Unfortunately, I was kinda impatient and I did a whole system reset. :) Feel free to yell at me lol. Hopefully this post helps someone else in the future though.