CVE-2025-43766 Liferay Portal allows unrestricted upload of file in the style books component

Medium 6.8 Published Updated

Attackers can upload unrestricted files in the style books component to execute arbitrary code within the Liferay Portal environment.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2025-43766?

CVE-2025-43766 is a medium-severity vulnerability in Liferay Digital Experience Platform, published on 23 Aug 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-434

Which versions are affected by CVE-2025-43766?

2 open source packages ship an affected version, including com.liferay:com.liferay.style.book.web. It affects 2 products.

PackageAffectedFixed in
com.liferay:com.liferay.style.book.web MavenAll versions2.0.117
com.liferay:com.liferay.style.book.web MavenAll versions2.0.117

Products include Liferay Digital Experience Platform, Liferay Liferay Portal.

How do I fix CVE-2025-43766?

Upgrade com.liferay:com.liferay.style.book.web to 2.0.117 or later.

Is CVE-2025-43766 being exploited?

There is no known exploitation of CVE-2025-43766 in the wild and no public exploit code.

All Liferay Digital Experience Platform vulnerabilities

Sources

Also known as GHSA-mf9q-87xx-jgvv.

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