CVE-2025-43739

Name: CVE-2025-43739
Creator: NVD / NIST
Published: 2025-08-19T14:15:38.363+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.26%

Last modified Jun 17, 2026

CVE-2025-43739 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS 4.0

5.3/10

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.26%

17.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-203

Affected Software

Vendor	Product	Versions
Liferay	Digital Experience Platform	>= 2024.q1.1, <= 2024.q1.19
Liferay	Digital Experience Platform	>= 2024.q2.0, <= 2024.q2.13
Liferay	Digital Experience Platform	>= 2024.q3.1, <= 2024.q3.13
Liferay	Digital Experience Platform	>= 2024.q4.0, <= 2024.q4.7
Liferay	Digital Experience Platform	>= 2025.Q1.0, < 2025.Q1.7
Liferay	Digital Experience Platform	7.4
Liferay	Liferay Portal	>= 7.4.3.94, <= 7.4.3.132

References

https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-43739Vendor Advisory

Timeline

Published: Aug 19, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-43739?

How severe is CVE-2025-43739?

CVE-2025-43739 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.

How do I fix CVE-2025-43739?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-43739?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST