CVE-2021-33336 Liferay Portal Journal Module and Liferay DXP Vulnerable to Cross-Site Scripting (XSS)
Remote attackers can inject arbitrary web script or HTML via the Journal module's add article menu in Liferay Portal.
- 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-2021-33336?
CVE-2021-33336 is a medium-severity cross-site scripting vulnerability in Liferay Digital Experience Platform, published on 4 Aug 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Cross-site scripting (XSS) vulnerability in the Journal module's add article menu in Liferay Portal 7.3.0 through 7.3.3, and Liferay DXP 7.1 fix pack 18, and 7.2 fix pack 5 through 7, allows remote attackers to inject arbitrary web script or HTML via the _com_liferay_journal_web_portlet_JournalPortlet_name parameter.
Weakness: CWE-79
Which versions are affected by CVE-2021-33336?
6 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 7.1.0 | 7.1.10.fp18 |
com.liferay.portal:release.dxp.bom Maven | From 7.1.0 | 7.1.10.fp18 |
com.liferay.portal:release.dxp.bom Maven | From 7.2.10.fp5 | 7.2.10.fp7 |
com.liferay.portal:release.dxp.bom Maven | From 7.2.10.fp5 | 7.2.10.fp7 |
com.liferay.portal:release.portal.bom Maven | From 7.3.0 | 7.3.4 |
com.liferay.portal:release.portal.bom Maven | From 7.3.0 | 7.3.4 |
Products include Liferay Digital Experience Platform, Liferay Liferay Portal.
How do I fix CVE-2021-33336?
Upgrade com.liferay.portal:release.dxp.bom to a fixed version for your release line: 7.1.10.fp18 or 7.2.10.fp7.
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-2021-33336 being exploited?
There is no known exploitation of CVE-2021-33336 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-fvg6-9r88-7w85.