CVE-2021-29044: 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 Site module's membership request administration pages in Liferay Portal 7.0.0 through 7.3.5, and Liferay DXP 7.0 before fix pack 97, 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_site_my_sites_web_portlet_MySitesPortlet_comments parameter.

Affected products

• Liferay Digital Experience Platform: version 7.0 only; version 7.1 only; version 7.2 only
• Liferay Dxp: version 7.3 only
• Liferay Liferay Portal: from 7.0.0, up to and including 7.3.5

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