What’s Vulnerable › Vulnerabilities
CVE-2025-43820
- Severity: medium (CVSS 5.4 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-09-29 · updated 2026-10-18
- Weakness: CWE-79
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.
Affected products
- Liferay Digital Experience Platform: from 2023.Q3.1 before 2023.Q3.7; from 2023.Q4.0 before 2023.Q4.5; 7.3-update25, 7.3-update26, 7.3-update27, 7.3-update28, 7.3-update29, 7.3-update30 (+64) — fixed in 2023.Q3.7, 2023.Q4.5
- Liferay Portal: from 7.4.3.35 before 7.4.3.111 — fixed in 7.4.3.111
How to fix
Upgrade to a fixed version: Liferay Digital Experience Platform 2023.Q3.7, 2023.Q4.5; Liferay Portal 7.4.3.111. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2025-43820 or the next vulnerability affects your stack