i had found this threat on my friend wordpress site. For caution, visitor will get warning from chrome tell the site you visit is contain malware and discourage us to enter the site.
here is simple way how to remove Malware on your wordpress site.
1. go to sucuri Malware scanner, to scan your blog/site
2. identify which page, folder, plugin, theme had attacked by Malware. Malware usually put on JS file.
3. go to your wp-admin, and deactivated all plugin/theme has effected by the Malware. would be better if you delete the plugin, and install fresh plugin from the developer/wordpress site.
4. finally step is go to
and update or re-install your wordpress site.
5. check you site by going to sucuri Malware scanner again, and check either you had remove all effected file. if not go to step 3 again.