Cyber Resilience

CVE-2023-40191

Critical

Published: 21 February 2024

Published
21 February 2024
Modified
28 January 2025
KEV Added
—
Patch
—
CVSS Score v3.1 9.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
EPSS Score 0.0046 64.4th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-40191 is a critical-severity Cross-site Scripting (CWE-79) vulnerability in Liferay Digital Experience Platform. Its CVSS base score is 9.0 (Critical).

Operationally, ranked in the top 35.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Reflected cross-site scripting (XSS) vulnerability in the instance settings for Accounts in Liferay Portal 7.4.3.44 through 7.4.3.97, and Liferay DXP 2023.Q3 before patch 6, and 7.4 update 44 through 92 allows remote attackers to inject arbitrary web script or HTML…

more

via a crafted payload injected into the “Blocked Email Domains” text field

CWE(s)
CWE-79

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

liferay
liferay portal
7.4.3.44 — 7.4.3.98
liferay
digital experience platform
2023.q3.0, 2023.q3.1, 2023.q3.2, 2023.q3.3, 2023.q3.4

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CA-8 Penetration Testing
addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

SI-10 Information Input Validation
addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

SI-15 Information Output Filtering
addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References