What’s Vulnerable › Vulnerabilities

CVE-2021-33332

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-03 · updated 2026-06-17
• Weakness: CWE-79

Description

Cross-site scripting (XSS) vulnerability in the Portlet Configuration module in Liferay Portal 7.1.0 through 7.3.2, and Liferay DXP 7.1 before fix pack 19, and 7.2 before fix pack 7, allows remote attackers to inject arbitrary web script or HTML via the _com_liferay_portlet_configuration_css_web_portlet_PortletConfigurationCSSPortlet_portletResource parameter.

Affected products

• Liferay Digital Experience Platform: 7.1, 7.1-fix_pack_1, 7.1-fix_pack_10, 7.1-fix_pack_11, 7.1-fix_pack_12, 7.1-fix_pack_13 (+20)
• Liferay Portal: from 7.1.0 before 7.3.3 — fixed in 7.3.3

How to fix

Upgrade to a fixed version: Liferay Portal 7.3.3. Check the vendor advisory for mitigations.

References

• https://issues.liferay.com/browse/LPE-17053
• https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120748366
• https://issues.liferay.com/browse/LPE-17053
• https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120748366

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