CVE-2021-29048

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-05-17 · updated 2026-07-09
Weakness: CWE-79

Description

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: 7.2, 7.2-fix_pack_1, 7.2-fix_pack_10, 7.2-fix_pack_2, 7.2-fix_pack_3, 7.2-fix_pack_4 (+5)
Liferay DXP: 7.3
Liferay Portal: 7.3.4, 7.3.5

References

https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120743601
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120743601

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