What is CVE-2025-43787?

CVE-2025-43787 is a medium-severity vulnerability in Liferay Digital Experience Platform, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-09-12.

How severe is CVE-2025-43787?

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

XSS in Liferay Digital Experience Platform

CVE-2025-43787

A Stored cross-site scripting vulnerability in the Liferay Portal 7.4.0 through 7.4.3.132, and Liferay DXP 2025.Q3.0, 2025.Q2.0 through 2025.Q2.12, 2025.Q1.0 through 2025.Q1.17, 2024.Q4.0 through 2024.Q4.7, 2024.Q3.0 through 2024.Q3.13, 2024.Q2.0 through 2024.Q2.13 and 2024.Q1.1 through 2024.Q1.20 allows an remote authenticated attacker to inject JavaScript through the organization site names. The malicious payload is stored and executed without proper sanitization or escaping.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (9.8th 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 — versions 2025.q3.0
Liferay Dxp — versions 2024.Q1.1, 2024.Q2.0, 2024.Q3.0
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-2025-43787?: CVE-2025-43787 is a medium-severity vulnerability in Liferay Digital Experience Platform, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-09-12.
How severe is CVE-2025-43787?: Medium severity. CVSS v3 base score is 5.4 out of 10.