Welcome to the Patchstack Weekly security update! This update is for week 50 of 2021. 

It is mid-December, and we are still waiting to see the total impact of a vulnerability reported in the open-source component: log4j. This is a library used in a large number of java applications and I will get the details later during this week's knowledge share.

In WordPress security news this week, there are a few plugins that have serious vulnerabilities reported in them, including unauthenticated attacks that may affect tens of thousands of websites. So, let's get to that right away!