Liferay Portal has stored cross-site scripting (XSS) vulnerability

published 2025-09-15 13 mo ago modified 2026-10-18 21 d ago also GHSA-r45v-2289-jgr4 , EUVD-2025-29168

cvss: 4.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 14%
public exploits: 0; none known

Stored cross-site scripting (XSS) vulnerability in Liferay Portal 7.4.0 through 7.4.3.111, and older unsupported versions, and Liferay DXP 2023.Q4.0, 2023.Q3.1 through 2023.Q3.4, 7.4 GA through update 92, 7.3 GA through update 35, and older unsupported versions allows remote authenticated attackers with the instance administrator role to inject arbitrary web script or HTML into all pages via a crafted payload injected into the Instance Configuration's (1) CDN Host HTTP text field or (2) CDN Host HTTPS text field.

Patch / fix

fixed in 3

maven com.liferay.portal:com.liferay.portal.impl 99.0.0
liferay digital_experience_platform 7.3, 2023.q3.5
liferay liferay_portal 7.4.3.112

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 13 mo ago (2025-09-15)

Exploit prediction

0.23% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	4.6	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
CNA	4.0	4.6	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/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
NVD	3.1	4.8	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
maven	com.liferay.portal:com.liferay.portal.impl	<99.0.0	99.0.0

Affected products

Liferay Portal
Liferay DXP

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

liferay.dev /portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-43794
web, vendor-advisory
nvd.nist.gov /vuln/detail/CVE-2025-43794
advisory
github.com /liferay/liferay-portal
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary