CVE-2025-62255: Liferay Digital Experience Platform

Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days.

Self Cross-site scripting (XSS) vulnerability on the edit Knowledge Base article page in Liferay Portal 7.4.0 through 7.4.3.101, and older unsupported versions, and Liferay DXP 2023.Q3.1 through 2023.Q3.5, 7.4 GA through update 92, and older unsupported versions allows remote attackers to inject arbitrary web script or HTML via a crafted payload injected into an attachment's filename.

Affected products

• Liferay Digital Experience Platform: before 7.3 (fixed in 7.3); version 7.3 only; version 7.4 only; version 2023.q3.1 only; version 2023.q3.2 only; version 2023.q3.3 only; …
• Liferay Liferay Portal: before 7.4.3.102 (fixed in 7.4.3.102)

Published 2025-10-23. Last modified 2026-06-17.