Is CVE-2025-43766 in the CISA KEV catalog?

No. CVE-2025-43766 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-43766?

CVE-2025-43766 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2025-43766?

CVE-2025-43766 has an EPSS score of 0.41% (33th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2025-43766

CRITICAL

9.8

CVSS v3

NVD

Description

The Liferay Portal 7.4.0 through 7.3.3.131, and Liferay DXP 2024.Q4.0, 2024.Q3.1 through 2024.Q3.13, 2024.Q2.0 through 2024.Q2.13, 2024.Q1.1 through 2024.Q1.12 and 7.4 GA through update 92 allows the upload of unrestricted files in the style books component that are processed within the environment enabling arbitrary code execution by attackers.

CWE-434Unrestricted File Upload

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.41%probability of exploitation in 30 days

33rdpercentile

Low risk: more likely to be exploited than 33% of all known CVEs.

References

https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-43766

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-12-12.