CVE-2025-43770

Liferay Portal vulnerable to Reflected XSS with the referer and forward parameter

6.9 MediumFix available

A reflected cross-site scripting (XSS) vulnerability in the Liferay Portal 7.4.0 through 7.4.3.131, and Liferay DXP 2024.Q4.0 through 2024.Q4.3, 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 an remote non-authenticated attacker to inject JavaScript into the referer or FORWARD_URL using %00 in those parameters.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.20%Up 0.1 points since Aug 23, 2025

What each source reports

CVE List Score used 6.9

Record: CVE-2025-43770
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-25724 6.9

Record: EUVD-2025-25724
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-h4m4-xp33-37mj 6.9

Liferay Portal vulnerable to Reflected XSS with the referer and forward parameter

Record: GHSA-h4m4-xp33-37mj
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Weakness: CWE-79
Updated: 2026-11-02

NVD 6.9

Record: CVE-2025-43770
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSV 6.1

Record: CVE-2025-43770
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVGHSA-h4m4-xp33-37mj 6.9

Liferay Portal vulnerable to Reflected XSS with the referer and forward parameter

Record: GHSA-h4m4-xp33-37mj
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`com.liferay.portal:com.liferay.portal.kernel` Maven	before 155.0.0	155.0.0
`com.liferay.portal:com.liferay.portal.kernel` Maven	before 155.0.0, plus listed versions 1.0.01.0.11.0.21.0.310.0.0 Show 45 moreShow less 10.0.110.0.210.1.010.1.110.1.210.2.010.2.110.2.210.2.310.3.010.3.110.4.010.5.010.5.110.6.010.6.110.6.2100.0.0100.1.0100.1.1101.0.0102.0.0102.1.0103.0.0103.0.1104.0.0105.0.0105.1.0106.0.0107.0.0107.1.0108.0.0109.0.011.0.011.0.111.0.211.0.311.1.011.1.111.2.011.3.011.3.111.4.011.5.011.6.0	155.0.0

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-43770 is a medium vulnerability (CVSS 6.9) in Liferay Dxp, published August 23, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 9th percentile. Fixed in com.liferay.portal:com.liferay.portal.kernel 155.0.0.

References

This page doesn't list everything

Left out here: 1,055 versions. The JSON record has them.