What is the CVSS score of CVE-2025-43776?

CVE-2025-43776 has a CVSS 4.0 base score of 4.6 (Medium). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2025-43776?

During next maintenance window: Identify affected systems running the Liferay Portal 7.4.0 and apply vendor patches when convenient. Monitor vendor channels for patch availability.

Liferay Portal CVE-2025-43776

MEDIUM

Error Message Information Leak (CWE-209)

2025-09-09 security@liferay.com

XSS Information Disclosure Digital Experience Platform Liferay Portal Liferay

4.6

CVSS 4.0 · Vendor: liferay

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Vulnerability Assessment

Weakness	CWE CWE-209 OWASP Top 10:2025 A10:2025 - Mishandling of Exceptional Conditions ASVS 5.0 V16 - Security Logging and Error Handling Error message sanitization MITRE ATT&CK 1 technique across 1 tactic: Discovery The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 4.6 (MEDIUM). Attack characteristics: network attack vector, low complexity, high privileges required, user interaction required. EPSS exploitation probability: 0.03%.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

A Stored cross-site scripting vulnerability in the Liferay Portal 7.4.0 through 7.4.3.132, and Liferay DXP 2025.Q2.0 through 2025.Q2.9, 2025.Q1.0 through 2025.Q1.16, 2024.Q4.0 through 2024.Q4.7,. Rated medium severity (CVSS 4.6), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affected Packages

maven com.liferay.portal:release.dxp.bom fix: 2024.Q1.20, 2025.Q1.17, 2025.Q2.10

maven com.liferay.portal:release.portal.bom no fix

maven com.liferay:com.liferay.portal.workflow.web fix: 4.0.94

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 3 packages in maven

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-209. A Stored cross-site scripting vulnerability in the Liferay Portal 7.4.0 through 7.4.3.132, and Liferay DXP 2025.Q2.0 through 2025.Q2.9, 2025.Q1.0 through 2025.Q1.16, 2024.Q4.0 through 2024.Q4.7, 2024.Q3.0 through 2024.Q3.13, 2024.Q2.0 through 2024.Q2.13, 2024.Q1.1 through 2024.Q1.19 and 7.4 GA through update 92 allows an remote authenticated attacker to inject JavaScript through Custom Object field label. The malicious payload is stored and executed through Process Builder's Configuration tab without proper escaping. Affected products include: Liferay Digital Experience Platform, Liferay Liferay Portal. Version information: through 7.4.3.132.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (liferay) PRIMARY 4.6 MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Primary rating from Vendor (liferay) · only source for this CVE.

CVSS VectorVendor: liferay

Attack Vector

Network

Attack Complexity

Low

Attack Requirements

None

Privileges Required

High

User Interaction

Active

Vulnerable system: Confidentiality

Low

Vulnerable system: Integrity

Low

Vulnerable system: Availability

None

Subsequent system: Confidentiality

Low

Subsequent system: Integrity

Low

Subsequent system: Availability

None

Lifecycle Timeline

Patch released

Mar 31, 2026 - 21:13 nvd

Patch available

CVE Published

Sep 09, 2025 - 15:15 nvd

MEDIUM 4.6

DescriptionCVE.org

A Stored cross-site scripting vulnerability in the Liferay Portal 7.4.0 through 7.4.3.132, and Liferay DXP 2025.Q2.0 through 2025.Q2.9, 2025.Q1.0 through 2025.Q1.16, 2024.Q4.0 through 2024.Q4.7, 2024.Q3.0 through 2024.Q3.13, 2024.Q2.0 through 2024.Q2.13, 2024.Q1.1 through 2024.Q1.19 and 7.4 GA through update 92 allows an remote authenticated attacker to inject JavaScript through Custom Object field label. The malicious payload is stored and executed through Process Builder's Configuration tab without proper escaping.

Executive ViewAI

Why It Matters

Organizations using the Liferay Portal 7.4.0 should be aware of moderate risk from CVE-2025-43776 rated CVSS 4.6. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low

Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score

0.0%

Top 92% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.0%

Patch available Yes

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Defer

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact

Low

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +23

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Cross-Site Scripting MEDIUM

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

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:*:*:*:*:*:*

+ 80 more

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References

Advisories & patches

ADVISORY https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-43776

Search Externally

GitHub PoC

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