Liferay Portal Self Cross-site scripting (XSS) vulnerability on the edit Knowledge Base article page
Date: 2025-10
Affected: maven/com.liferay:com.liferay.knowledge.base.web
Attack vector: xss
Category: vulnerability-disclosure
Severity: Low
CVE: CVE-2025-62255
CWE: CWE-79

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.


Mitigations:

Architectural layers (MAESTRO):