CVE-2025-43793: Liferay Digital Experience Platform

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Liferay Portal 7.4.0 through 7.4.3.105, 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 may incorrectly identify the subdomain of a domain name and create a supercookie, which allows remote attackers who control a website that share the same TLD to read cookies set by the application.

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 7.4.3.106 (fixed in 7.4.3.106)

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