CVE-2021-29048 Liferay Portal and Liferay DXP Vulnerable to Cross-Site Scripting (XSS) in the Layout Admin Page
Remote attackers can inject arbitrary web script or HTML into the Liferay Portal layout administration page via a specific parameter.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-29048?
CVE-2021-29048 is a medium-severity cross-site scripting vulnerability in Liferay Digital Experience Platform, published on 17 May 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Cross-site scripting (XSS) vulnerability in the Layout module's page administration page in Liferay Portal 7.3.4, 7.3.5 and Liferay DXP 7.2 before fix pack 11 and 7.3 before fix pack 1 allows remote attackers to inject arbitrary web script or HTML via the _com_liferay_layout_admin_web_portlet_GroupPagesPortlet_name parameter.
Weakness: CWE-79
Which versions are affected by CVE-2021-29048?
6 open source packages ship an affected version, including com.liferay.portal:release.dxp.bom and com.liferay.portal:release.portal.bom. It affects 3 products.
| Package | Affected | Fixed in |
|---|---|---|
com.liferay.portal:release.dxp.bom Maven | All versions | 7.2.10.fp11 |
com.liferay.portal:release.dxp.bom Maven | All versions | 7.2.10.fp11 |
com.liferay.portal:release.dxp.bom Maven | From 7.3.0 | 7.3.10.fp1 |
com.liferay.portal:release.dxp.bom Maven | From 7.3.0 | 7.3.10.fp1 |
com.liferay.portal:release.portal.bom Maven | From 7.3.4 | 7.3.6 |
com.liferay.portal:release.portal.bom Maven | From 7.3.4 | 7.3.6 |
Products include Liferay Digital Experience Platform, Liferay Dxp, Liferay Liferay Portal.
How do I fix CVE-2021-29048?
Upgrade com.liferay.portal:release.dxp.bom to a fixed version for your release line: 7.2.10.fp11 or 7.3.10.fp1.
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-2021-29048 being exploited?
There is no known exploitation of CVE-2021-29048 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-4fx8-82f3-xcpc.