An Apple developer named Open Radar has uncovered a vulnerability in the macOS High Sierra version 10.13.2, that lets the App Store menu in System Preferences to be unlocked with any password.
According to the bug report by Open Radar, the App Store preferences should unlock without any username and password. The bug allows a user logged in with admin rights to bypass the password requirements when making any changes in the App Store settings panel. Open the App Store settings panel, click on the padlock to make changes, a password prompt pops up, type in any string of text, and the "password" is accepted, unlocking the preferences panel.
Back in November, Apple had released a security update for macOS High Sierra that fixed a security flaw which let anyone access your Mac by just entering the username "root" and a blank password in the System Preferences.
According to MacRumors, the issue appears to be resolved in the macOS High Sierra version 10.13.2 update. The bug doesn't exist in macOS Sierra version 10.12.6 or earlier.
Recently, Apple has been plagued with too many issues and bugs. The company faced severe criticism after admitting that it purposefully slows down older iPhones. The company also faced flak for an autocorrect bug that was causing the word "it" to be autocorrected to "IT".