Cross-site scripting (XSS) vulnerability in the Gogo Shell module in Liferay Portal 7.1.0 through 7.3.6 and 7.4.0, and Liferay DXP 7.1 before fix pack 23, 7.2 before fix pack 13, and 7.3 before fix pack 2 allows remote attackers to inject arbitrary web script or HTML via the output of a Gogo Shell command.