If your email address has been compromised on other sites and you use the same password on avery.com, the Google Chrome browser will warn you to change the password if you use Chrome's save password functionality. You can find the list by clicking the three dots at the top right of the Chrome screen, then choosing Settings and Autofill. Chrome can guide you to reset and update the autofill of passwords.
If avery.com appears on the list, please reset your password at https://www.avery.com/myaccount/profile
You can also use this site to check if your Avery account has been compromised: https://haveibeenpwned.com