72silver Posted April 3, 2018 Share Posted April 3, 2018 When trying to check out I get the following message pop up in a red box. The following errors were detected: Error: Security header is not valid Security error I have SSL certificate on the server and have the green padlock showing on my entire site. Any Ideas anyone. Quote Link to comment Share on other sites More sharing options...
Al Brookbanks Posted April 3, 2018 Share Posted April 3, 2018 Sounds like the credential entered for PayPal are wrong. Please check and make sure you are on the latest version of CubeCart. Quote Link to comment Share on other sites More sharing options...
Lastwolf Posted April 4, 2018 Share Posted April 4, 2018 Isn't paypal's big security review this month? Is your SSL cert needing renewed recently? Quote Link to comment Share on other sites More sharing options...
72silver Posted April 4, 2018 Author Share Posted April 4, 2018 Changed the paypal extention to the braintree one, works fine now. Also found security issue if you have the share on pinterest button on the products. So I removed that as well. Quote Link to comment Share on other sites More sharing options...
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