CVE-2025-43820
Liferay Portal vulnerable to cross-site scripting in the Calendar widget
EPSS 0.03%
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.
How to fix CVE-2025-43820
To remediate CVE-2025-43820, upgrade the affected package to a fixed version below.
- —upgrade to 5.0.88 or later
- —upgrade to 7.4.3.111-ga111 or later
Is CVE-2025-43820 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 5.0.45, < 5.0.88
- >= 7.4.3.35-ga35, < 7.4.3.111-ga111
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 |