If you are getting the Sucuri error page such as the one below when visiting some pages on your site, you can simply whitelist these pages in the Sucuri firewall settings and the errors will go away.
It is recommended to whitelist the page only if it needs to be accessible for all of your visitors. If it is occurring in the admin area of your site, it is best to Whitelist your IP address.
How to Whitelist a File/Folder
Click here and under the Whitelist URL Paths section, you will be able to whitelist the file/folder that you want to.
If you add /wp-content/yourplugin/somefile.php, that specific file will be whitelisted.
Whitelist a File/Folder Using the Audit Trails
- Click here to go to the Audit Trails page and click on the URL that was blocked.
- Under the Resource Path section, click on Whitelist.