CVE-2025-43737 Liferay Portal Vulnerable to Cross-Site Scripting via backURL Paramter
Remote authenticated users can inject JavaScript via the backURL parameter in Liferay Portal, potentially leading to session hijacking or malicious actions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2025-43737?
CVE-2025-43737 is a medium-severity cross-site scripting vulnerability in Liferay Digital Experience Platform, published on 19 Aug 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A reflected cross-site scripting (XSS) vulnerability in the Liferay Portal 7.4.3.132, and Liferay DXP 2025.Q2.0 through 2025.Q2.8 and 2025.Q1.0 through 2025.Q1.15 allows a remote authenticated user to inject JavaScript code via _com_liferay_journal_web_portlet_JournalPortlet_backURL parameter.
Weakness: CWE-79
Which versions are affected by CVE-2025-43737?
2 open source packages ship an affected version, including com.liferay:com.liferay.journal.web. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
com.liferay:com.liferay.journal.web Maven | All versions | 5.0.196 |
com.liferay:com.liferay.journal.web Maven | All versions | 5.0.196 |
Products include Liferay Digital Experience Platform, Liferay Liferay Portal.
How do I fix CVE-2025-43737?
Upgrade com.liferay:com.liferay.journal.web to 5.0.196 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-2025-43737 being exploited?
There is no known exploitation of CVE-2025-43737 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-vjwr-cqwf-6q96.