CVE-2021-29048: Liferay Digital Experience Platform

Medium severity, CVSS 6.1. EPSS: 0.9% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in the Layout module's page administration page in Liferay Portal 7.3.4, 7.3.5 and Liferay DXP 7.2 before fix pack 11 and 7.3 before fix pack 1 allows remote attackers to inject arbitrary web script or HTML via the _com_liferay_layout_admin_web_portlet_GroupPagesPortlet_name parameter.

Affected products

• Liferay Digital Experience Platform: version 7.2 only
• Liferay Dxp: version 7.3 only
• Liferay Liferay Portal: version 7.3.4 only; version 7.3.5 only

Published 2021-05-17. Last modified 2026-07-09.