CVE-2025-43816

CVE-2025-43816 is a high-severity vulnerability in Liferay Digital Experience Platform with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-401.

Key facts

• Severity: High (CVSS 3.x base score 7.5)
• CVSS v4: 6.9
• EPSS exploit prediction: 0% (23rd percentile)
• Actively exploited: Not listed in CISA KEV
• EU (EUVD) id: EUVD-2025-31166
• Weakness: CWE-401
• Affected product: Liferay Digital Experience Platform
• Published: 2025-09-25
• Last modified: 2026-06-17

Description

A memory leak in the headless API for StructuredContents in Liferay Portal 7.4.0 through 7.4.3.119, and older unsupported versions, and Liferay DXP 2024.Q1.1 through 2024.Q1.5, 2023.Q4.0 through 2024.Q4.10, 2023.Q3.1 through 2023.Q3.10, 7.4 GA through update 92, and older unsupported versions allows an attacker to cause server unavailability (denial of service) via repeatedly calling the API endpoint.

Frequently asked questions

What is CVE-2025-43816?

A memory leak in the headless API for StructuredContents in Liferay Portal 7.4.0 through 7.4.3.119, and older unsupported versions, and Liferay DXP 2024.Q1.1 through 2024.Q1.5, 2023.Q4.0 through 2024.Q4.10, 2023.Q3.1 through 2023.Q3.10, 7.4 GA through update 92, and older unsupported versions allows an attacker to cause server unavailability (denial of service) via repeatedly calling the API endpoint.

How severe is CVE-2025-43816?

CVE-2025-43816 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-43816 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-43816?

CVE-2025-43816 primarily affects Liferay Digital Experience Platform. In total, 95 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-43816?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-43816 have an EU (EUVD) identifier?

Yes. CVE-2025-43816 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31166.

When was CVE-2025-43816 published?

CVE-2025-43816 was published on 2025-09-25 and last updated on 2026-06-17.

References

• https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-43816

Affected products (95)

• cpe:2.3:a:liferay:digital_experience_platform:*:*:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:-:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update1:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update10:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update11:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update12:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update13:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update14:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update15:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update16:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update17:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update18:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update19:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update2:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update20:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update21:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update22:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update23:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update24:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update25:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update26:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update27:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update28:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update29:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update3:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update30:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update31:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update32:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update33:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update34:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update35:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update36:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update37:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update38:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update39:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update4:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update40:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update41:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update42:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update43:*:*:*:*:*:*

More vulnerabilities in Liferay Digital Experience Platform

• CVE-2025-43766 — Critical (CVSS 9.8): 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…
• CVE-2025-3594 — Critical (CVSS 9.8): Path traversal vulnerability with the downloading and installation of Xuggler in Liferay Portal 7.0.0 through 7.4.3.4,…
• CVE-2024-8980 — Critical (CVSS 9.6): The Script Console in Liferay Portal 7.0.0 through 7.4.3.101, and Liferay DXP 2023.Q3.1 through 2023.Q3.4, 7.4 GA…
• CVE-2024-26269 — Critical (CVSS 9.6): Cross-site scripting (XSS) vulnerability in the Frontend JS module's portlet.js in Liferay Portal 7.2.0 through…
• CVE-2023-42498 — Critical (CVSS 9.6): Reflected cross-site scripting (XSS) vulnerability in the Language Override edit screen in Liferay Portal 7.4.3.8…
• CVE-2023-42496 — Critical (CVSS 9.6): Reflected cross-site scripting (XSS) vulnerability on the add assignees to a role page in Liferay Portal 7.3.3 through…

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