CVE-2021-29048

MediumCVSS 6.1

Published: 17/05/2021(UTC)Updated: 09/07/2026(UTC)Translated: 10/07/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Elevated risk

0.87%

55th percentile - higher than 55% of all known CVEs

Summary

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.

Risk Assessment

An attacker can steal user sessions, redirect users to malicious sites, or perform other unauthorized actions in the victim's browser context, compromising data confidentiality and integrity.

Recommendation

Immediately upgrade Liferay Portal to version 7.3.6 or later, and for Liferay DXP apply the appropriate fix pack (7.2 fix pack 11 or 7.3 fix pack 1).

Original NVD description (English source)

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.