When viewing a list of membership types or adding a new membership, the membership type frontend title was not properly escaped.
CiviCRM v6.15.2 and earlier
CiviCRM v6.15.3, v6.10.7 (ESR), and later
Upgrade to a fixed version of CiviCRM
Lassi (lassitemp@proton.me), Seamus Lee (JMA Consulting), Coleman Watts (CiviCRM)
