Oracle’s PeopleSoft applications are some of the most popular in the Enterprise Resource Planning (ERP) space, but security researchers warn that almost half of those orgs are vulnerable to cyberattacks via exploits ranging from information disclosure issues to cross-site scripting and authentication bypass. A savvy hacker can gain full access to systems that are accessible over the Internet.
Read more about this here:
http://www.securityweek.com/many-organizations-using-oracle-peoplesoft-vulnerable-attacks-report