CVE-2021-29051
MediumCVSS 6.1Exploitation Probability (EPSS)
Elevated risk50th percentile - higher than 50% of all known CVEs
Summary
Cross-site scripting (XSS) vulnerability in the Asset Publisher app of the Asset module 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 assetEntryId parameter.
Risk Assessment
An attacker can steal user sessions, redirect users to malicious sites, or perform other actions in the victim's browser context, leading to confidentiality and integrity breaches.
Recommendation
Immediately update Liferay Portal to version 7.3.6 or later, and for Liferay DXP apply the respective fix packs: 7.1 FP21, 7.2 FP10, or 7.3 FP1.
Original NVD description (English source)
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.