Is CVE-2025-43818 actively exploited?

CVE-2025-43818 has no public evidence of in-the-wild exploitation as of 2025-12-11.

What is the CVSS score for CVE-2025-43818?

CVE-2025-43818 has a CVSS score of 4.8 (MEDIUM severity). Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

How do I patch CVE-2025-43818?

Patch guidance is available from liferay security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-43818.

CVE-2025-43818 - remediation guidance & executive summary

Q: Which products are affected by CVE-2025-43818?

73 products: liferay digital experience platform, liferay digital experience platform, liferay digital experience platform, liferay digital experience platform, liferay digital experience platform, and 68 more.

Description

Cross-site scripting (XSS) vulnerability in the Calendar widget in Liferay Portal 7.4.3.35 through 7.4.3.110, and Liferay DXP 2023.Q4.0 through 2023.Q4.4, 2023.Q3.1 through 2023.Q3.6, 7.4 update 35 through update 92, and 7.3 update 25 through update 36 allows remote attackers to inject arbitrary web script or HTML via a crafted payload injected into a Calendar's “Name” text field

CVSS Metrics

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector: network
Complexity: low
Privileges: low
User Action: active
Confidentiality: undefined
Integrity: undefined
Availability: undefined
Weaknesses: CWE-79 · Cross-site Scripting (XSS)

Metadata

Primary Vendor: LIFERAY
Published: 9/29/2025
Last Modified: 12/11/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

liferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : digital_experience_platformliferay : liferay_portal

Remediation Guidance

Executive Summary

View on NIST NVD