CVE-2025-43794: Liferay Digital Experience Platform

Medium severity, CVSS 4.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Stored cross-site scripting (XSS) vulnerability in Liferay Portal 7.4.0 through 7.4.3.111, and older unsupported versions, and Liferay DXP 2023.Q4.0, 2023.Q3.1 through 2023.Q3.4, 7.4 GA through update 92, 7.3 GA through update 35, and older unsupported versions allows remote authenticated attackers with the instance administrator role to inject arbitrary web script or HTML into all pages via a crafted payload injected into the Instance Configuration's (1) CDN Host HTTP text field or (2) CDN Host HTTPS text field.

Affected products

• Liferay Digital Experience Platform: before 7.3 (fixed in 7.3); from 2023.q3.1, before 2023.q3.5 (fixed in 2023.q3.5); version 7.3 only; version 7.4 only; version 2023.q4.0 only
• Liferay Liferay Portal: before 7.4.3.112 (fixed in 7.4.3.112)

Published 2025-09-15. Last modified 2026-06-17.