XSS in Liferay Digital Experience Platform

CVE-2025-43737

A reflected cross-site scripting (XSS) vulnerability in the Liferay Portal 7.4.3.132, and Liferay DXP 2025.Q2.0 through 2025.Q2.8 and 2025.Q1.0 through 2025.Q1.15 allows a remote authenticated user to inject JavaScript code via _com_liferay_journal_web_portlet_JournalPortlet_backURL parameter.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (20.1th 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

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-43737?
CVE-2025-43737 is a medium-severity vulnerability in Liferay Digital Experience Platform, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-08-19.
How severe is CVE-2025-43737?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2025-43737 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.