CVE-2021-33339 Liferay Portal Fragment Module and Liferay DXP Vulnerable to Cross-Site Scripting
Remote attackers can inject arbitrary web script or HTML via the SiteAdminPortlet name parameter 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-2021-33339?
CVE-2021-33339 is a medium-severity cross-site scripting vulnerability in Liferay Digital Experience Platform, published on 4 Aug 2021. 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 the Fragment module in Liferay Portal 7.2.1 through 7.3.4, and Liferay DXP 7.2 before fix pack 9 allows remote attackers to inject arbitrary web script or HTML via the _com_liferay_site_admin_web_portlet_SiteAdminPortlet_name parameter.
Weakness: CWE-79
Which versions are affected by CVE-2021-33339?
4 open source packages ship an affected version, including com.liferay.portal:release.dxp.bom and com.liferay.portal:release.portal.bom. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
com.liferay.portal:release.dxp.bom Maven | From 7.2.0 | 7.2.10.fp9 |
com.liferay.portal:release.dxp.bom Maven | From 7.2.0 | 7.2.10.fp9 |
com.liferay.portal:release.portal.bom Maven | From 7.2.1 | 7.3.5 |
com.liferay.portal:release.portal.bom Maven | From 7.2.1 | 7.3.5 |
Products include Liferay Digital Experience Platform, Liferay Liferay Portal.
How do I fix CVE-2021-33339?
Upgrade com.liferay.portal:release.dxp.bom to 7.2.10.fp9 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-2021-33339 being exploited?
There is no known exploitation of CVE-2021-33339 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-7pxh-q6jw-6xj8.