furat2012 on "[Plugin: WordPress SEO by Yoast] xml - rpc pingback attack any help !!"

hello
i am using seo yoast
my server load is about 40 of 1 cpu which is supposed to be 0.7 in normal load
host admin told me it is xml - rpc attack pingback
i am using pings by the way
any help please ??

https://wordpress.org/plugins/wordpress-seo/