CVE-2025-43756 Liferay Portal Reflected Cross-Site Scripting Vulnerability via snippet Parameter
Remote authenticated users can inject JavaScript via the snippet parameter in Liferay Portal, enabling cross-site scripting attacks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-43756?
CVE-2025-43756 is a medium-severity cross-site scripting vulnerability in Liferay Digital Experience Platform, published on 21 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
<!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}-->A reflected cross-site scripting (XSS) vulnerability in the Liferay Portal 7.4.3.132, and Liferay DXP 2025.Q1.0 through 2025.Q1.15, 2025.Q2.0 through 2025.Q2.2 and 2024.Q1.13 through 2024.Q1.19 allows a remote authenticated user to inject JavaScript code via snippet parameter.
Weakness: CWE-79
Which versions are affected by CVE-2025-43756?
2 open source packages ship an affected version, including com.liferay.portal:release.portal.bom. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
com.liferay.portal:release.portal.bom Maven | All versions | None |
com.liferay.portal:release.portal.bom Maven | All versions | None |
Products include Liferay Digital Experience Platform, Liferay Liferay Portal.
How do I fix CVE-2025-43756?
No fix has been published for CVE-2025-43756 yet. Limit exposure of the affected software until one is available.
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-2025-43756 being exploited?
There is no known exploitation of CVE-2025-43756 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-q2gv-w583-f2vq.