CVE-2025-43739
Liferay Portal Email Modification Vulnerability via Calendar Portlet
EPSS 0.09%
Description
Liferay Portal 7.4.0 through 7.4.3.132, and Liferay DXP 2025.Q1.0 through 2025.Q1.6, 2024.Q4.0 through 2024.Q4.7, 2024.Q3.1 through 2024.Q3.13, 2024.Q2.0 through 2024.Q2.13, 2024.Q1.1 through 2024.Q1.16 and 7.4 GA through update 92 allow any authenticated user to modify the content of emails sent through the calendar portlet, allowing an attacker to send phishing emails to any other user in the same organization. Liferay Portal is fixed on the master branch from commit ff18e7d.
How to fix CVE-2025-43739
To remediate CVE-2025-43739, upgrade the affected package to a fixed version below.
- —upgrade to 6.0.83 or later
Is CVE-2025-43739 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 6.0.83
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N |