What is CVE-2025-43756?

CVE-2025-43756 is a medium-severity vulnerability in Liferay Digital Experience Platform, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-08-21.

How severe is CVE-2025-43756?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Liferay Digital Experience Platform

CVE-2025-43756

A reflected cross-site scripting (XSS) vulnerability in the Liferay Portal 7.4.3.132, and Liferay DXP 2025.Q1.0 through 2025.Q1.15, 2025.Q2.0 through 2025.Q2.2 and 2024.Q1.13 through 2024.Q1.19 allows a remote authenticated user to inject JavaScript code via snippet parameter.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (11.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Liferay Digital_experience_platform
Liferay Dxp — versions 2024.Q1.13, 2025.Q1.0, 2025.Q2.0
Liferay Liferay_portal — versions 7.4.3.132
Liferay Portal — versions 7.4.3.132

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security@liferay.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-43756?: CVE-2025-43756 is a medium-severity vulnerability in Liferay Digital Experience Platform, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-08-21.
How severe is CVE-2025-43756?: Medium severity. CVSS v3 base score is 5.4 out of 10.