2.8.6 repairs 2 protection issues that can be manipulated by signed up, visited individuals that have uploading benefits. If you have untrusted writers on your blog site, updating to 2.8.6 is advised.
The very first issue is an XSS susceptability in Press This found by Benjamin Flesch. The 2nd issue, found by Dawid Golunski, is a problem with sterilizing uploaded data names that can be manipulated in particular Apache arrangements. Many thanks to Benjamin and also Dawid for searching for and also reporting these.