What is CVE-2025-43815?

CVE-2025-43815 is a medium-severity vulnerability in Liferay Digital Experience Platform, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-09-29.

How severe is CVE-2025-43815?

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

XSS in Liferay Digital Experience Platform

CVE-2025-43815

Reflected cross-site scripting (XSS) vulnerability on the page configuration page in Liferay Portal 7.4.3.102 through 7.4.3.110, and Liferay DXP 2023.Q4.0 through 2023.Q4.2, and 2023.Q3.5 allows remote attackers to inject arbitrary web script or HTML via the com_liferay_layout_admin_web_portlet_GroupPagesPortlet_backURLTitle parameter.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (13.3th 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 2023.q3.5
Liferay Dxp — versions 2023.Q3.5, 2023.Q4.0
Liferay Liferay_portal
Liferay Portal — versions 7.4.3.102

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security@liferay.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-43815?: CVE-2025-43815 is a medium-severity vulnerability in Liferay Digital Experience Platform, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-09-29.
How severe is CVE-2025-43815?: Medium severity. CVSS v3 base score is 6.1 out of 10.