CVE-2021-29051

Name: CVE-2021-29051
Creator: NVD / NIST
Published: 2021-05-17T12:15:07.46+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.76%

Last modified Jun 17, 2026

CVE-2021-29051 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Cross-site scripting (XSS) vulnerability in the Asset module's Asset Publisher app in Liferay Portal 7.2.1 through 7.3.5, and Liferay DXP 7.1 before fix pack 21, 7.2 before fix pack 10 and 7.3 before fix pack 1 allows remote attackers to inject arbitrary web script or HTML via the _com_liferay_asset_publisher_web_portlet_AssetPublisherPortlet_INSTANCE_XXXXXXXXXXXX_assetEntryId parameter.. EPSS estimates a 0.76% chance of exploitation in the next 30 days.

Description

Cross-site scripting (XSS) vulnerability in the Asset module's Asset Publisher app in Liferay Portal 7.2.1 through 7.3.5, and Liferay DXP 7.1 before fix pack 21, 7.2 before fix pack 10 and 7.3 before fix pack 1 allows remote attackers to inject arbitrary web script or HTML via the _com_liferay_asset_publisher_web_portlet_AssetPublisherPortlet_INSTANCE_XXXXXXXXXXXX_assetEntryId 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

0.76%

50.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Liferay	Digital Experience Platform	7.1
Liferay	Digital Experience Platform	7.2
Liferay	Dxp	7.3
Liferay	Liferay Portal	>= 7.2.0, <= 7.3.5

References

http://liferay.comVendor Advisory
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120743580Vendor Advisory
http://liferay.comVendor Advisory
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120743580Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2021-29051?

How severe is CVE-2021-29051?

CVE-2021-29051 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.76% probability of exploitation in the next 30 days.

How do I fix CVE-2021-29051?

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-2021-29051?

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

Scan your code now

Source: NVD / NIST