XSS in Liferay Digital Experience Platform

CVE-2025-43791

Multiple cross-site scripting (XSS) vulnerabilities in Liferay Portal 7.3.0 through 7.4.3.111, and Liferay DXP 2023.Q4.0, 2023.Q3.1 through 2023.Q3.4, 7.4 GA through update 92 and 7.3 GA through update 36 allow remote attackers to inject arbitrary web script or HTML via a crafted payload injected into a "Rich Text" type field to (1) a web content structure, (2) a Documents and Media Document Type , or (3) custom assets that uses the Data Engine's module Rich Text field.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.002 (10.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-43791: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-43791?
CVE-2025-43791 is a medium-severity vulnerability in Liferay Digital Experience Platform, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-09-15.
How severe is CVE-2025-43791?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2025-43791 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.