CVE-2023-37940
CWE-79Published: December 17, 2024· Updated: Jun 17, 2026
Official Description
Cross-site scripting (XSS) vulnerability in the edit Service Access Policy page in Liferay Portal 7.0.0 through 7.4.3.87, and Liferay DXP 7.4 GA through update 87, 7.3 GA through update 29, and older unsupported versions allows remote attackers to inject arbitrary web script or HTML via a crafted payload injected into a service access policy's `Service Class` text field.
Technical Analysis
CVE-2023-37940 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.
From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (1)
Quick Facts
Related CVEs (CWE-79)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-37940 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts