XSS in Liferay Digital Experience Platform

CVE-2023-42498

Reflected cross-site scripting (XSS) vulnerability in the Language Override edit screen in Liferay Portal 7.4.3.8 through 7.4.3.97, and Liferay DXP 2023.Q3 before patch 5, and 7.4 update 4 through 92 allows remote attackers to inject arbitrary web script or HTML via the _com_liferay_portal_language_override_web_internal_portlet_PLOPortlet_key parameter.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (46.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-42498?
CVE-2023-42498 is a critical-severity vulnerability in Liferay Digital Experience Platform, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2024-02-21.
How severe is CVE-2023-42498?
Critical severity. CVSS v3 base score is 9.6 out of 10.
Is CVE-2023-42498 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.