TLDR; Site admins should Update ASAP to 1.6.4 due to several security enhancements. Today we released Etherpad 1.6.4. This release fixes several security vulnerabilities in recent versions: One is an arbitrary code execution vulnerability in version 1.6.3. Another is an arbitrary code execution vulnerability which is present in all versions from 1.5.0 on, but only … Continue reading Important critical Etherpad release – 1.6.4