XSS in Liferay Digital Experience Platform

CVE-2025-43771

Multiple cross-site scripting (XSS) vulnerabilities in the Notifications widget in Liferay Portal 7.4.3.102 through 7.4.3.111, and Liferay DXP 2023.Q4.0 through 2023.Q4.5 and 2023.Q3.1 through 2023.Q3.10 allow remote attackers to inject arbitrary web script or HTML via a crafted payload injected into (1) a user’s “First Name” text field, (2) a user’s “Middle Name” text field, (3) a user’s “Last Name” text field, (4) the “Other Reason” text field when flagging content, or (5) the name of the flagged content.

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

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-43771?
CVE-2025-43771 is a medium-severity vulnerability in Liferay Digital Experience Platform, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-10-08.
How severe is CVE-2025-43771?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2025-43771 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.