Liferay Portal is vulnerable to Reflected XSS attack through get_editor path
Date: 2025-09
Affected: maven/com.liferay:com.liferay.frontend.editor.ckeditor.web
Attack vector: xss
Category: vulnerability-disclosure
Severity: Medium
CVE: CVE-2025-43783
CWE: CWE-79

A reflected cross-site scripting (XSS) vulnerability in Liferay Portal 7.4.3.73 through 7.4.3.128, and Liferay DXP 2024.Q3.0 through 2024.Q3.1, 2024.Q2.0 through 2024.Q2.13, 2024.Q1.1 through 2024.Q1.12, 7.4 update 73 through update 92 allows remote attackers to inject arbitrary web script or HTML via the /c/portal/comment/discussion/get_editor path.


Mitigations:

Architectural layers (MAESTRO):