Cross-site scripting (XSS) vulnerability in HtmlUtil.escapeJsLink in Liferay Portal 7.2.0 up to and including 7.4.1, and older unsupported versions, and Liferay DXP 7.3 before service pack 3, 7.2 before fix pack 15, and older unsupported versions allows remote malicious users to inject arbitrary web script or HTML via crafted javascript: style links.