CVE-2025-43794 Liferay Portal has stored cross-site scripting (XSS) vulnerability
Authenticated instance administrators can inject arbitrary scripts into all pages via CDN host configuration fields, potentially compromising user sessions.
- 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-2025-43794?
CVE-2025-43794 is a medium-severity cross-site scripting vulnerability in Liferay Digital Experience Platform, published on 15 Sep 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Stored cross-site scripting (XSS) vulnerability in Liferay Portal 7.4.0 through 7.4.3.111, 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 allows remote authenticated attackers with the instance administrator role to inject arbitrary web script or HTML into all pages via a crafted payload injected into the Instance Configuration's (1) CDN Host HTTP text field or (2) CDN Host HTTPS text field.
Weakness: CWE-79
Which versions are affected by CVE-2025-43794?
2 open source packages ship an affected version, including com.liferay.portal:com.liferay.portal.impl. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
com.liferay.portal:com.liferay.portal.impl Maven | All versions | 99.0.0 |
com.liferay.portal:com.liferay.portal.impl Maven | All versions | 99.0.0 |
Products include Liferay Digital Experience Platform, Liferay Liferay Portal.
How do I fix CVE-2025-43794?
Upgrade com.liferay.portal:com.liferay.portal.impl to 99.0.0 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-2025-43794 being exploited?
There is no known exploitation of CVE-2025-43794 in the wild and no public exploit code.
Other vulnerabilities in Liferay Digital Experience Platform
- CVE-2024-8980 Liferay Portal and Liferay DXP Vulnerable to CSRF in the Script Console
- CVE-2023-42496 Liferay Portal and Liferay DXP vulnerable to reflected Cross-site Scripting
- CVE-2023-42498 Liferay Portal Language Override edit screen and Liferay DXP vulnerable to reflected Cross-site Scripting
- CVE-2024-25147 Liferay Portal and Liferay DXP vulnerable to Cross-site Scripting
- CVE-2024-26269 Liferay Portal Frontend JS module's portlet.js and Liferay DXP vulnerable to Cross-site Scripting
Sources
Also known as GHSA-r45v-2289-jgr4.