If your websites use WordPress, put down that coffee and upgrade to 4.8.3. Thank us later
https://www.theregister.co.uk/2017/10/31/wordpress_security_fix_4_8_3/
WordPress has a security patch out for a programming blunder that you should apply ASAP.
The fix addresses a flaw that can be potentially exploited by hackers to hijack and take over WordPress-powered websites, by injecting malicious SQL database commands.