CVE-2025-43742Network attack vector

Reflected XSS via unescaped friendly URL

Published Aug 20, 2025 · Updated Aug 20, 2025

Reflected XSS in Liferay Portal and DXP allows remote attackers to inject JavaScript through crafted friendly URLs. DisplayPageLayoutTypeController.getFriendlyURL returns the request-derived friendlyURL without HTML escaping, allowing CURRENT_URL markup into the response. The display-page-template path requires no authentication, and successful exploitation runs script in a visitor's browser context.

CVSS severity6.9
Medium
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in Liferay Portal and DXP allows remote attackers to inject JavaScript through crafted friendly URLs. DisplayPageLayoutTypeController.getFriendlyURL returns the request-derived friendlyURL without HTML escaping, allowing CURRENT_URL markup into the response. The display-page-template path requires no authentication, and successful exploitation runs script in a visitor's browser context.

The record

CVE
CVE-2025-43742
Published
Aug 20, 2025
Updated
Aug 20, 2025
Vendor
Liferay
Product
Liferay Portal
Classifications
CWE-79, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 20, 2025CVE publishedPublication date reported by the CVE source.
  2. Aug 20, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=7.4.0 <=7.4.3.132

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Liferay · Liferay Portalversion=7.4.0 <=7.4.3.132
Liferay · Liferay DXPversion=2024.Q1.1 <=2024.Q1.14; version=2024.Q2.0 <=2023.Q2.13; version=2024.Q3.1 <=2024.Q3.13; version=2024.Q4.0 <=2024.Q4.7; version=2025.Q1.0 <=2025.Q1.3; version=7.4.13 <=7.4.13-u92

Published CVSS scores

6.9Liferay Inc.CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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