CVE-2025-43766

Name: CVE-2025-43766
Creator: NVD / NIST
Published: 2025-08-23T05:15:32.023+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.8/10EPSS 0.41%

Last modified Jun 17, 2026

CVE-2025-43766 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. The Liferay Portal 7.4.0 through 7.3.3.131, and Liferay DXP 2024.Q4.0, 2024.Q3.1 through 2024.Q3.13, 2024.Q2.0 through 2024.Q2.13, 2024.Q1.1 through 2024.Q1.12 and 7.4 GA through update 92 allows the upload of unrestricted files in the style books component that are processed within the environment enabling arbitrary code execution by attackers.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

Description

The Liferay Portal 7.4.0 through 7.3.3.131, and Liferay DXP 2024.Q4.0, 2024.Q3.1 through 2024.Q3.13, 2024.Q2.0 through 2024.Q2.13, 2024.Q1.1 through 2024.Q1.12 and 7.4 GA through update 92 allows the upload of unrestricted files in the style books component that are processed within the environment enabling arbitrary code execution by attackers.

Metrics

CVSS 3.1

9.8/10

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

CVSS 4.0

6.8/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:L/VI:H/VA:L/SC:N/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

0.41%

32.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Liferay	Digital Experience Platform	>= 2024.Q1.1, < 2024.Q1.14
Liferay	Digital Experience Platform	>= 2024.q2.0, <= 2024.q2.13
Liferay	Digital Experience Platform	>= 2024.q3.1, <= 2024.q3.13
Liferay	Digital Experience Platform	7.4
Liferay	Digital Experience Platform	2024.q4.0
Liferay	Liferay Portal	>= 7.4.0, < 7.4.3.132

References

https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-43766Vendor Advisory

Timeline

Published: Aug 23, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-43766?

How severe is CVE-2025-43766?

CVE-2025-43766 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.

How do I fix CVE-2025-43766?

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-2025-43766?

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

Scan your code now

Source: NVD / NIST