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

September 15, 2025

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.

References

github.com/advisories/GHSA-xvgg-9h29-4g34
github.com/liferay/liferay-portal
liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-43793
nvd.nist.gov/vuln/detail/CVE-2025-43793

Code Behaviors & Features

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