What is CVE-2025-62255?

CVE-2025-62255 is a medium-severity vulnerability in Liferay Digital Experience Platform, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-10-23.

How severe is CVE-2025-62255?

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

XSS in Liferay Digital Experience Platform

CVE-2025-62255

Self Cross-site scripting (XSS) vulnerability on the edit Knowledge Base article page in Liferay Portal 7.4.0 through 7.4.3.101, and older unsupported versions, and Liferay DXP 2023.Q3.1 through 2023.Q3.5, 7.4 GA through update 92, and older unsupported versions allows remote attackers to inject arbitrary web script or HTML via a crafted payload injected into an attachment's filename.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (9.7th 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 7.3, 7.4, 2023.q3.1
Liferay Dxp — versions 7.3.10, 7.4.13, 2023.Q3.1
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-2025-62255?: CVE-2025-62255 is a medium-severity vulnerability in Liferay Digital Experience Platform, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-10-23.
How severe is CVE-2025-62255?: Medium severity. CVSS v3 base score is 6.1 out of 10.