Root password being filled by Chrome, changing it on host edit
"Recently" (last week or two?), Chrome has started filling in the root password field again on the host edit page, which means your host's new password becomes "changeme" or whatever you happen to have saved.
It appears this is a deliberate feature, even though we set autocomplete=off since #2607:
#1 Updated by Dominic Cleal about 5 years ago
http://code.google.com/p/chromium/issues/detail?id=352347 is the main bug report, which while being depressing reading, does appear to be moving in the right direction.