CVE-2025-43770: Liferay Portal vulnerable to Reflected XSS with the referer and forward parameter

CVE-2025-43770 · Severity: medium · CVSS 4 · Published 2025-08-23

Liferay Portal vulnerable to Reflected XSS with the referer and forward parameter

Technologies: com.liferay.portal:com.liferay.portal.kernel (Maven). Vendors: Maven.

Quick answers

Is CVE-2025-43770 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-43770 being exploited in the wild.
How severe is CVE-2025-43770?
Medium severity, with a CVSS score of 4, published 23 August 2025.
Which products and versions are affected?
com.liferay.portal:com.liferay.portal.kernel (Maven) ECOSYSTEM:introduced=0,fixed=155.0.0.
Is there a fix for CVE-2025-43770?
Yes. com.liferay.portal:com.liferay.portal.kernel (Maven): upgrade to 155.0.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-43770?
Check whether you run com.liferay.portal:com.liferay.portal.kernel (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • com.liferay.portal:com.liferay.portal.kernel (Maven): upgrade to 155.0.0 or later
    # set com.liferay.portal:com.liferay.portal.kernel to 155.0.0 in your pom.xml or build.gradle

Affected products

  • com.liferay.portal:com.liferay.portal.kernel (Maven) ECOSYSTEM:introduced=0,fixed=155.0.0

Identifiers

  • CVE-2025-43770
  • GHSA-h4m4-xp33-37mj

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