The distribution of Zen Cart 1.1.4 before patch 2 includes certain debugging code in the Admin password retrieval functionality, which allows attackers to gain administrative privileges via password_forgotten.php.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2004-2016
http://www.zen-cart.com/modules/mydownloads/viewcat.php?cid=31&orderby=dateD
http://www.zen-cart.com/modules/ipb/index.php?showtopic=4873