CVE-2021-29048 json
Liferay Portal and Liferay DXP Vulnerable to Cross-Site Scripting (XSS) in the Layout Admin Page
published 2021-05-17 5 y ago modified 2026-07-09 4 mo ago also GHSA-4fx8-82f3-xcpc , EUVD-2021-15694
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known
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 script or HTML via the _com_liferay_layout_admin_web_portlet_GroupPagesPortlet_name parameter.
Patch / fix
- maven com.liferay.portal:release.portal.bom 7.3.6
- maven com.liferay.portal:release.dxp.bom 7.2.10.fp11, 7.3.10.fp1
Exploit prediction
0.87% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| GitHub | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | com.liferay.portal:release.portal.bom | >=7.3.4, <7.3.6 |
7.3.6 |
| maven | com.liferay.portal:release.dxp.bom | <7.2.10.fp11 >=7.3.0, <7.3.10.fp1 |
7.2.10.fp11 7.3.10.fp1 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
portal.liferay.dev
/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120743601
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-29048
advisory
-
github.com
/liferay/liferay-portal
package
-
web.archive.org
/web/20210524222536/https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmV
web
-
liferay.com
web
Sources
- CVE List CVE-2021-29048
- GitHub Advisory GHSA-4fx8-82f3-xcpc
- NVD CVE-2021-29048
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