CVE-2025-43762 Liferay Portal users can upload an unlimited amount of files

Medium 5.3 Published Updated

Attackers can cause denial of service by uploading unlimited files via forms, exhausting storage resources in Liferay Portal.

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

What is CVE-2025-43762?

CVE-2025-43762 is a medium-severity denial of service vulnerability in Liferay Digital Experience Platform, published on 22 Aug 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Liferay Portal 7.4.0 through 7.4.3.132, and Liferay DXP 2025.Q1.0 through 2025.Q1.1, 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.Q1.14 and 7.4 GA through update 92 allow users to upload an unlimited amount of files through the forms, the files are stored in the document_library allowing an attacker to cause a potential DDoS.

Weakness: CWE-770

Which versions are affected by CVE-2025-43762?

4 open source packages ship an affected version, including com.liferay:com.liferay.dynamic.data.mapping.form.field.type and com.liferay:com.liferay.dynamic.data.mapping.form.web. It affects 2 products.

PackageAffectedFixed in
com.liferay:com.liferay.dynamic.data.mapping.form.field.type MavenAll versions6.0.187
com.liferay:com.liferay.dynamic.data.mapping.form.field.type MavenAll versions6.0.187
com.liferay:com.liferay.dynamic.data.mapping.form.web MavenAll versions4.0.180
com.liferay:com.liferay.dynamic.data.mapping.form.web MavenAll versions4.0.180

Products include Liferay Digital Experience Platform, Liferay Liferay Portal.

How do I fix CVE-2025-43762?

Upgrade com.liferay:com.liferay.dynamic.data.mapping.form.field.type to 6.0.187 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2025-43762 being exploited?

There is no known exploitation of CVE-2025-43762 in the wild and no public exploit code.

All Liferay Digital Experience Platform vulnerabilities

Sources

Also known as GHSA-84pp-qr92-95c9.

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