Liferay Portal - Open Redirect

HtmlUtil.escapeRedirect in Liferay Portal 7.2.0 through 7.4.3.18, and older unsupported versions, and Liferay DXP 7.4 before update 19, 7.3 before update 4, 7.2 before fix pack 19, and older unsupported versions can be circumvented by using the 'REPLACEMENT CHARACTER' U+FFFD, which allows remote...