N/A

CVSS Score

-

CVSS Score

Basic Information

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CVE-2025-43761

CVE-2025-43761: Liferay Portal Reflected XSS in CKeditor 4.21.0 endpoint

A reflected cross-site scripting (XSS) vulnerability in the Liferay Portal 7.4.0 through 7.4.3.131, and Liferay DXP 2024.Q4.0 through 2024.Q4.4, 2024.Q3.1 through 2024.Q3.13, 2024.Q2.0 through 2024.Q2.13, 2024.Q1.1 through 2024.Q1.12 and 7.4 GA through update 92 allows an remote non-authenticated attacker to inject JavaScript into the frontend-editor-ckeditor-web/ckeditor/samples/old/ajax.html path

(GitHub Advisory)

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CVE-2025-43761

CVE-2025-43761:

N/A

CVSS Score

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
com.liferay:com.liferay.frontend.editor.ckeditor.web	maven	< 5.0.107	5.0.107
com.liferay:com.liferay.frontend.js.dependencies.web	maven	< 1.0.25	1.0.25
liferay-ckeditor	npm	< 4.21.0-liferay.10	4.21.0-liferay.10

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The analysis indicates that the root cause of the vulnerability is not within the core Liferay Portal application code but in a third-party dependency, liferay-ckeditor. The provided commit confirms this by showing a version bump of this dependency as the fix. The vulnerability is a classic reflected XSS flaw in a sample file (ajax.html) that was likely not intended for production use but was accessible. The exploitation of this vulnerability involves an attacker tricking a user into clicking a specially crafted link. When the user's browser loads the ajax.html page from this link, the embedded malicious script from the URL is executed. A runtime profiler would not show any server-side Java functions related to this vulnerability, as the flaw is entirely on the client side. Instead, a browser's developer tools would show the execution of an inline script within the ajax.html file, which is the runtime indicator of this vulnerability being triggered.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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