CVE-2021-29048: XSS
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 comliferaylayoutadminwebportletGroupPagesPortletname parameter.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
maven/com.liferay.portal:release.dxp.bomto a version that resolves this vulnerability.Fixed in 7.3.10.fp1 - Upgrade
Upgrade
maven/com.liferay.portal:release.dxp.bomto a version that resolves this vulnerability.Fixed in 7.2.10.fp11 - Upgrade
Upgrade
maven/com.liferay.portal:release.portal.bomto a version that resolves this vulnerability.Fixed in 7.3.6 - Upgrade
Upgrade
Liferay Portal / DXP Layout module (Layout page administration)to a version that resolves this vulnerability.Fixed in 7.3.4 - Upgrade
Upgrade
Liferay Portal / DXP Layout module (Layout page administration)to a version that resolves this vulnerability.Patch fix pack 11 - Upgrade
Upgrade
Liferay Portal / DXP Layout module (Layout page administration)to a version that resolves this vulnerability.Patch fix pack 1 - Compensating control
Apply the Liferay fix packs mentioned for the Layout module page administration XSS (fix pack 11 for 7.2 before fix pack 11 and 7.3.4/7.3.5; fix pack 1 for 7.3 before fix pack 1) to prevent remote injection via the _com_liferay_layout_admin_web_portlet_GroupPagesPortlet_name parameter.
Event History
Frequently Asked Questions
What is CVE-2021-29048?
CVE-2021-29048 is a 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.
How does CVE-2021-29048 affect Liferay Portal?
CVE-2021-29048 allows remote attackers to inject arbitrary web script or HTML into 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.
What is the severity of CVE-2021-29048?
CVE-2021-29048 has a severity score of 6.1 (Medium).
How can I fix CVE-2021-29048?
To fix CVE-2021-29048, upgrade to Liferay Portal 7.3.4 or 7.3.5 or Liferay DXP 7.2 fix pack 11, or Liferay DXP 7.3 fix pack 1.
Where can I find more information about CVE-2021-29048?
More information about CVE-2021-29048 can be found at the following sources: [Liferay Official Website](http://liferay.com) and [Liferay Portal Security Advisory](https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120743601)