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Vulnerability DatabaseCVE-2025-43756

CVE-2025-43756: 
Java vulnerability analysis and mitigation

Overview

A reflected cross-site scripting (XSS) vulnerability identified as CVE-2025-43756 was discovered in Liferay Portal 7.4.3.132 and multiple versions of Liferay DXP, including 2025.Q1.0 through 2025.Q1.15, 2025.Q2.0 through 2025.Q2.2, and 2024.Q1.13 through 2024.Q1.19. The vulnerability was disclosed on August 21, 2025, allowing remote authenticated users to inject JavaScript code via the snippet parameter (Liferay Advisory).

Technical details

The vulnerability has been assigned a CVSS v4.0 Base Score of 6.9 (Medium) with the vector string CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N. The vulnerability is classified as CWE-79 (Improper Neutralization of Input During Web Page Generation) (NVD).

Impact

The vulnerability allows attackers to perform cross-site scripting attacks through the snippet parameter, potentially leading to the execution of malicious JavaScript code in users' browsers. This could result in session hijacking, defacement, or unauthorized actions performed on behalf of the authenticated user (CERT-FR).

Mitigation and workarounds

Liferay has released fixes for the affected versions. Users should upgrade to Liferay Portal's fixed master branch, Liferay DXP 2025.Q2.3, Liferay DXP 2025.Q1.16, or Liferay DXP 2024.Q1.20 to remediate the vulnerability (Liferay Advisory).

Additional resources

Source: This report was generated using AI

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