CVE-2021-33339: Liferay Digital Experience Platform

Medium severity, CVSS 4.8. EPSS: 0.7% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in the Fragment module in Liferay Portal 7.2.1 through 7.3.4, and Liferay DXP 7.2 before fix pack 9 allows remote attackers to inject arbitrary web script or HTML via the _com_liferay_site_admin_web_portlet_SiteAdminPortlet_name parameter.

Affected products

• Liferay Digital Experience Platform: version 7.2 only
• Liferay Liferay Portal: from 7.2.1, before 7.3.5 (fixed in 7.3.5)

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