CVE-2021-33337: Liferay Digital Experience Platform

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in the Document Library module's add document menu in Liferay Portal 7.3.0 through 7.3.4, and Liferay DXP 7.1 before fix pack 20, and 7.2 before fix pack 9, allows remote attackers to inject arbitrary web script or HTML via the _com_liferay_document_library_web_portlet_DLAdminPortlet_name parameter.

Affected products

• Liferay Digital Experience Platform: version 7.1 only; version 7.2 only
• Liferay Liferay Portal: from 7.3.0, up to and including 7.3.4

Published 2021-08-04. Last modified 2026-06-17.