CVE-2025-43793 Liferay Portal has Improper Validation of Specified Quantity in Input

Medium 6.9 Published Updated

Remote attackers sharing a TLD can read application cookies due to incorrect subdomain identification, exposing sensitive session data.

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-2025-43793?

CVE-2025-43793 is a medium-severity vulnerability in Liferay Digital Experience Platform, published on 15 Sep 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 7.4.3.105, and older unsupported versions, and Liferay DXP 2023.Q4.0, 2023.Q3.1 through 2023.Q3.4, 7.4 GA through update 92, 7.3 GA through update 35, and older unsupported versions may incorrectly identify the subdomain of a domain name and create a supercookie, which allows remote attackers who control a website that share the same TLD to read cookies set by the application.

Weakness: CWE-1284

Which versions are affected by CVE-2025-43793?

4 open source packages ship an affected version, including com.liferay.portal:com.liferay.portal.impl and com.liferay.portal:com.liferay.portal.kernel. It affects 2 products.

PackageAffectedFixed in
com.liferay.portal:com.liferay.portal.impl MavenAll versions96.0.0
com.liferay.portal:com.liferay.portal.impl MavenAll versions96.0.0
com.liferay.portal:com.liferay.portal.kernel MavenAll versions130.0.1
com.liferay.portal:com.liferay.portal.kernel MavenAll versions130.0.1

Products include Liferay Digital Experience Platform, Liferay Liferay Portal.

How do I fix CVE-2025-43793?

Upgrade com.liferay.portal:com.liferay.portal.impl to 96.0.0 or later.

Is CVE-2025-43793 being exploited?

There is no known exploitation of CVE-2025-43793 in the wild and no public exploit code.

All Liferay Digital Experience Platform vulnerabilities

Sources

Also known as GHSA-xvgg-9h29-4g34.

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