CVE-2021-33336
Published: 04 August 2021
Summary
CVE-2021-33336 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Liferay Digital Experience Platform. Its CVSS base score is 5.4 (Medium).
Operationally, ranked at the 37.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-20044
Vulnerability details
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…
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HTML via the _com_liferay_journal_web_portlet_JournalPortlet_name parameter.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.