---
id: CVE-2021-29039
title: >-
  Cross-site scripting (XSS) vulnerability in the Asset module's categories
  administration page in Liferay Portal 7.3.4 allows remote attackers to inject
  arbitrary web script or HTML via the site name.
summary: >-
  Cross-site scripting (XSS) vulnerability in the Asset module's categories
  administration page in Liferay Portal 7.3.4 allows remote attackers to inject
  arbitrary web script or HTML via the site name.
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: liferay_portal
affected:
  - liferay_portal = 7.3.4
published: '2021-05-16'
updated: '2026-07-05'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2021-29039'
references:
  - url: >-
      https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120777766
    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/120777766
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00753
epssPercentile: 0.53094
ingestedAt: '2026-07-05T00:59:25.854Z'
---

## Overview

Cross-site scripting (XSS) vulnerability in the Asset module's categories administration page in Liferay Portal 7.3.4 allows remote attackers to inject arbitrary web script or HTML via the site name.

## Affected

- `liferay_portal = 7.3.4`

## Remediation

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