CVE-2021-29051

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-05-17 · updated 2026-07-09
Weakness: CWE-79

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.

Affected products

Liferay Digital Experience Platform: 7.1, 7.1-fix_pack_1, 7.1-fix_pack_10, 7.1-fix_pack_11, 7.1-fix_pack_12, 7.1-fix_pack_13 (+25)
Liferay DXP: 7.3
Liferay Portal: from 7.2.0 through 7.3.5

References

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

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