CVE-2025-43802: Liferay Digital Experience Platform

Medium severity, CVSS 6.1. EPSS: 0.3% chance of exploitation in the next 30 days.

Stored cross-site scripting (XSS) vulnerability in a custom object’s /o/c/<object-name> API endpoint in Liferay Portal 7.4.3.51 through 7.4.3.109, and Liferay DXP 2023.Q3.1 through 2023.Q3.4, 7.4 update 51 through update 92, and 7.3 update 33 through update 35. allows remote attackers to inject arbitrary web script or HTML via the externalReferenceCode parameter.

Affected products

• Liferay Digital Experience Platform: from 2023.q3.1, before 2023.q3.5 (fixed in 2023.q3.5); version 7.3 only; version 7.4 only
• Liferay Liferay Portal: from 7.4.3.51, before 7.4.3.110 (fixed in 7.4.3.110)

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