What is CVE-2025-43770?

CVE-2025-43770 is a medium-severity vulnerability in Liferay Digital Experience Platform, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-08-23.

How severe is CVE-2025-43770?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Liferay Digital Experience Platform

CVE-2025-43770

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.Q4.3, 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 referer or FORWARD_URL using %00 in those parameters.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (9.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Liferay Digital_experience_platform — versions 7.4
Liferay Dxp — versions 7.4.13, 2024.Q1.1, 2024.Q2.0
Liferay Liferay_portal
Liferay Portal — versions 7.4.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security@liferay.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-43770?: CVE-2025-43770 is a medium-severity vulnerability in Liferay Digital Experience Platform, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-08-23.
How severe is CVE-2025-43770?: Medium severity. CVSS v3 base score is 6.1 out of 10.