CVE-2025-43818
Liferay Portal vulnerable to cross-site scripting in the Calendar widget
EPSS 0.03%
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
How to fix CVE-2025-43818
To remediate CVE-2025-43818, upgrade the affected package to a fixed version below.
- Maven/com.liferay:com.liferay.calendar.web—upgrade to 5.0.87 or later
Is CVE-2025-43818 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 5.0.45, < 5.0.87
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | 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 |