CVE-2023-33940 Cross-site scripting in Liferay Portal

Medium 4.8 Published Updated

Remote attackers can inject arbitrary web script or HTML via the Remote App's IFrame URL in Liferay Portal.

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

What is CVE-2023-33940?

CVE-2023-33940 is a medium-severity cross-site scripting vulnerability in Liferay Digital Experience Platform, published on 24 May 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

Cross-site scripting (XSS) vulnerability in IFrame type Remote Apps in Liferay Portal 7.4.0 through 7.4.3.30, and Liferay DXP 7.4 before update 31 allows remote attackers to inject arbitrary web script or HTML via the Remote App's IFrame URL.

Weakness: CWE-79

Which versions are affected by CVE-2023-33940?

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

PackageAffectedFixed in
com.liferay.portal:release.portal.bom MavenFrom 7.4.07.4.3.31
com.liferay.portal:release.portal.bom MavenFrom 7.4.07.4.3.31
liferay BitnamiFrom 7.4.0 to 7.4.0None

Products include Liferay Digital Experience Platform, Liferay Liferay Portal.

How do I fix CVE-2023-33940?

Upgrade com.liferay.portal:release.portal.bom to 7.4.3.31 or later.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2023-33940 being exploited?

There is no known exploitation of CVE-2023-33940 in the wild and no public exploit code.

All Liferay Digital Experience Platform vulnerabilities

Sources

Also known as BIT-liferay-2023-33940, GHSA-x82q-mr23-27jc.

Is CVE-2023-33940 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free