Liferay Portal and Liferay DXP Vulnerable to XSS via the Layout Module
Date: 2023-06
Affected: maven/com.liferay.portal:release.dxp.bom, maven/com.liferay.portal:release.portal.bom
Attack vector: xss
Category: vulnerability-disclosure
Severity: Medium
CVE: CVE-2023-3193
CWE: CWE-79
CVSS: 6.1 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

Cross-site scripting (XSS) vulnerability in the Layout module's SEO configuration in Liferay Portal 7.4.3.70 through 7.4.3.73, and Liferay DXP 7.4 update 70 through 73 allows remote attackers to inject arbitrary web script or HTML via the `_com_liferay_layout_admin_web_portlet_GroupPagesPortlet_backURL` parameter.


Mitigations:

Architectural layers (MAESTRO):