Yet another password security flaw has been found affecting macOS High Sierra for the second time in three months. A bug report on Open Radar submitted earlier this week detailed a security flaw found in the current version on macOS High Sierra – version 10.13.2 – that allows any user to unlock the App Store menu in System Preferences using any random password in less than five steps, MacRumors first reported.
According to the bug report, users can simply open System Preferences, go to App Store settings and check the padlock icon. If it is unlocked, lock it and then try unlocking it using your username and any password.
The login prompt simply accepts the incorrect password and unlocks, as long as you are still logged in as a local admin.
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