CVE-2021-29048

Name: CVE-2021-29048
Creator: NVD / NIST
Published: 2021-05-17T12:15:07.427+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.89%

Last modified Jun 17, 2026

CVE-2021-29048 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 0.89% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.89%

54.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Liferay	Digital Experience Platform	7.2
Liferay	Dxp	7.3
Liferay	Liferay Portal	7.3.4
Liferay	Liferay Portal	7.3.5

References

http://liferay.comVendor Advisory
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120743601Vendor Advisory
http://liferay.comVendor Advisory
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120743601Vendor Advisory

Timeline

Published: May 17, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-29048?

How severe is CVE-2021-29048?

CVE-2021-29048 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.89% probability of exploitation in the next 30 days.

How do I fix CVE-2021-29048?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-29048?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST