Cyber Resilience

CVE-2021-33326

Medium

Published: 03 August 2021

Published
03 August 2021
Modified
13 May 2025
KEV Added
Patch
CVSS Score v3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0042 62.2th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-33326 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Liferay Digital Experience Platform. Its CVSS base score is 6.1 (Medium).

Operationally, ranked in the top 37.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Cross-site scripting (XSS) vulnerability in the Frontend JS module in Liferay Portal 7.3.4 and earlier, and Liferay DXP 7.0 before fix pack 96, 7.1 before fix pack 20 and 7.2 before fix pack 9, allows remote attackers to inject arbitrary…

more

web script or HTML via the title of a modal window.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

liferay
digital experience platform
7.0, 7.1, 7.2
liferay
liferay portal
≤ 7.3.5

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.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References