Liferay Portal vulnerable to reflected cross-site scripting via the `redirect` parameter
Date: 2025-09
Affected: maven/com.liferay.portal:release.portal.bom
Attack vector: xss
Category: vulnerability-disclosure
Severity: Medium
CVE: CVE-2025-43817
CWE: CWE-79

Multiple reflected cross-site scripting (XSS) vulnerabilities in Liferay Portal 7.4.3.74 through 7.4.3.111, and Liferay DXP 2023.Q4.0 through 2023.Q4.6, 2023.Q3.1 through 2023.Q3.8, and 7.4 update 74 through update 92 allow remote attackers to inject arbitrary web script or HTML via the `redirect` parameter to (1) Announcements, or (2) Alerts.


Mitigations:

Architectural layers (MAESTRO):