Security check failed on login error

[strive4impact]

A LOT of the members are getting a message “security check failed on login”.

When I attempt to log in as a member in Internet Explorer, I get the error message. When I log in in Firefox, it works fine.

I don’t know how long this has been an issue.

But it gives some users this message when they are in Firefox as well.

I don’t know how to fix it.

Site

[www.musicofmassage.com]

Example User: cgv1

Pass: Password

Please let me know the solution at your earliest convenience.

Thank-you,

Jonathan Kraft

[admin]

The “nonce” value check is failing (this is an extra security check that makes the login process more secure).

First, try loading a fresh copy of the plugin:

https://support.tipsandtricks-hq.com/forums/topic/re-install-or-load-a-fresh-build-of-the-plugins

Let me know if you still face login issue after you have done that.

[strive4impact]

Appears to have happened when I updated WP Super Cache… Removed the two settings that should have been in there about not caching logged in users and the init line.

Seems to be fixed! Updated all to latest versions anyway.

Thanks for the help KeyMaster!

[Homer]

hey,

i have to the same problem!

I just deleted WP Super Cache! But after login on Firefox it is said: Security check failed on login

Google Chorme works!

Whats wrong?

best wishes

malte

[admin]

You need to empty the cache with super cache before you delete it. Super cache keeps cached copy of the pages and I have seen instances when it showed those cached pages even if the super cache plugin was deactive/deleted. Also try hitting the “f5” key which will do a hard refresh.

Make sure you have loaded a fresh copy of the plugin too:

https://support.tipsandtricks-hq.com/forums/topic/re-install-or-load-a-fresh-build-of-the-plugins

[julioasanchezm]

This error i have in Firefox when i try to use the members area:

Security check failed on login

Warning: Cannot modify header information – headers already sent by (output started at /home3/supemphi/public_html/blogdominioyhosting.com/wp-includes/functions.php:2935) in /home3/supemphi/public_html/blogdominioyhosting.com/wp-content/plugins/wp-eMember/lib/class.emember_auth.php on line 431

[admin]

This is a caching related issue. Do you use any caching plugin or some other caching service?

[julioasanchezm]

i using the wp cache plugin

[wzp]

Which one?

[admin]

I will take a look at your site to see what setup you have.

[julioasanchezm]

in clean the cache and the error was fixed tks a lot for you help, the wp supercache is the plugin

[wzp]

Since you are using WP Super Cache, please ensure that you’ve done the proper setup:

https://support.tipsandtricks-hq.com/forums/topic/using-the-plugins-together-with-wp-super-cache-plugin

[bentley74]

I have had customers reporting similar issues: “failed security check” msg when they try to login. It’s not every time by any means, and when the most recent one tried again it worked for him.

Just wondering what might be causing this? No caching plugin on this particular site.

When he tried password reset it said “undefined”

[admin]

This can only happen from a caching issue where the generated security key has been cached and is stale.

It is likely that your hosting provider is using caching on the server side. You can ask them to confirm.

[Author]

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