---
id: CVE-2021-29048
title: >-
  Cross-site scripting (XSS) vulnerability in the Layout module's page
  administration page in Liferay Portal 7.3.4, 7.3.5 and Liferay DXP 7.2 before
  fix pack 11 and 7.3 before fix pack 1 allows remote attackers to inject
  arbitrary web scri…
summary: >-
  Cross-site scripting (XSS) vulnerability in the Layout module's page
  administration page in Liferay Portal 7.3.4, 7.3.5 and Liferay DXP 7.2 before
  fix pack 11 and 7.3 before fix pack 1 allows remote attackers to inject
  arbitrary web scri…
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
vendor: liferay
product: digital_experience_platform
affected:
  - digital_experience_platform = 7.2
  - dxp = 7.3
  - liferay_portal = 7.3.4
  - liferay_portal = 7.3.5
published: '2021-05-17'
updated: '2026-07-05'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2021-29048'
references:
  - url: >-
      https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120743601
    label: cve@mitre.org
  - url: 'http://liferay.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120743601
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00873
epssPercentile: 0.57119
ingestedAt: '2026-07-06T01:08:16.664Z'
---

## Overview

Cross-site scripting (XSS) vulnerability in the Layout module's page administration page in Liferay Portal 7.3.4, 7.3.5 and Liferay DXP 7.2 before fix pack 11 and 7.3 before fix pack 1 allows remote attackers to inject arbitrary web script or HTML via the _com_liferay_layout_admin_web_portlet_GroupPagesPortlet_name parameter.

## Affected

- `digital_experience_platform = 7.2`
- `dxp = 7.3`
- `liferay_portal = 7.3.4`
- `liferay_portal = 7.3.5`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.