CVE-2021-29051: Liferay Digital Experience Platform

Medium severity, CVSS 6.1. EPSS: 0.7% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in the Asset module's Asset Publisher app in Liferay Portal 7.2.1 through 7.3.5, and Liferay DXP 7.1 before fix pack 21, 7.2 before fix pack 10 and 7.3 before fix pack 1 allows remote attackers to inject arbitrary web script or HTML via the _com_liferay_asset_publisher_web_portlet_AssetPublisherPortlet_INSTANCE_XXXXXXXXXXXX_assetEntryId parameter.

Affected products

• Liferay Digital Experience Platform: version 7.1 only; version 7.2 only
• Liferay Dxp: version 7.3 only
• Liferay Liferay Portal: from 7.2.0, up to and including 7.3.5

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