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.
Use CWE-79, Liferay vendor hub and Digital Experience Platform product page to widen CVE-2025-43820 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2025-62260, CVE-2025-62258 and CVE-2025-62275 for nearby disclosures in the same product family.