CVE-2025-43820 - CVE House
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Status published Medium CVE-2025-43820

Multiple cross-site scripting (XSS) vulnerabilities in the Calendar widget when...

Vulnerability Description

Multiple cross-site scripting (XSS) vulnerabilities in the Calendar widget when inviting users to a event 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 35 allow remote attackers to inject arbitrary web script or HTML via a crafted payload injected into a user’s (1) First Name, (2) Middle text, or (3) Last Name text fields.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • foobar7

Affected Vendor

Affected Software

Portal, DXP
Vulnerable Versions:
7.4.3.35, 7.3.10-u25, 7.4.13-u35, 2023.Q3.1, 2023.Q4.0

Timeline

Official Publish: September 29th, 2025
Last Modified: September 30th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)