CVE-2025-43743 Liferay Portal Enumeration Discrepancy in Calendars

Medium 5.3 Published Updated

Authenticated users can enumerate other users' names via calendar access, enabling targeted phishing attacks against Liferay Portal and DXP users.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-43743?

CVE-2025-43743 is a medium-severity vulnerability in Liferay Digital Experience Platform, published on 19 Aug 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Liferay Portal 7.4.0 through 7.4.3.132, and Liferay DXP 2025.Q1.0 through 2025.Q1.5, 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.Q1.15 and 7.4 GA through update 92 allows any authenticated remote user to view other calendars by allowing them to enumerate the names of other users, given an attacker the possibility to send phishing to these users.

Weakness: CWE-203

Which versions are affected by CVE-2025-43743?

2 open source packages ship an affected version, including com.liferay.portal:release.portal.bom. It affects 2 products.

PackageAffectedFixed in
com.liferay.portal:release.portal.bom MavenFrom 7.4.0-ga1 to 7.4.3.132-ga132None
com.liferay.portal:release.portal.bom MavenFrom 7.4.0-ga1 to 7.4.3.132-ga132None

Products include Liferay Digital Experience Platform, Liferay Liferay Portal.

How do I fix CVE-2025-43743?

No fix has been published for CVE-2025-43743 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-43743 being exploited?

There is no known exploitation of CVE-2025-43743 in the wild and no public exploit code.

All Liferay Digital Experience Platform vulnerabilities

Sources

Also known as GHSA-g4vp-4gqr-7v8c.

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