CVE-2025-43734: Liferay Digital Experience Platform

Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days.

A reflected cross-site scripting (XSS) vulnerability in the Liferay Portal 7.4.0 through 7.4.3.132, and Liferay DXP 2025.Q1.0 through 2025.Q1.10, 2024.Q4.0 through 2024.Q4.7, 2024.Q3.1 through 2024.Q3.13, 2024.Q2.1 through 2024.Q2.13, 2024.Q1.1 through 2024.Q1.16 and 7.4 GA through update 92 allows a remote authenticated attacker to inject JavaScript code in the “first display label” field in the configuration of a custom sort widget. This malicious payload is then reflected and executed by clay button taglib when refreshing the page.

Affected products

• Liferay Digital Experience Platform: from 2024.q1.1, up to and including 2024.q1.16; from 2024.Q2.1, up to and including 2024.Q2.13; from 2024.q3.1, up to and including 2024.q3.13; from 2024.q4.0, up to and including 2024.q4.7; from 2025.q1.0, up to and including 2025.q1.10; version 7.4 only
• Liferay Liferay Portal: from 7.4.0, up to and including 7.4.3.132

Published 2025-08-12. Last modified 2026-06-17.