Vulnerability Monitor

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CVE-2021-29051


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.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.1, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts limited data confidentiality, limited integrity, for affected systems. Impacting 3 products from liferay, from liferay, from liferay organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2021-05-17T12:15:07.460

Last Modified

2025-05-13T18:17:51.450

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.1 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-79

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.2 Yes
Application liferay digital_experience_platform 7.2 Yes
Application liferay digital_experience_platform 7.2 Yes
Application liferay digital_experience_platform 7.2 Yes
Application liferay digital_experience_platform 7.2 Yes
Application liferay digital_experience_platform 7.2 Yes
Application liferay digital_experience_platform 7.2 Yes
Application liferay digital_experience_platform 7.2 Yes
Application liferay digital_experience_platform 7.2 Yes
Application liferay digital_experience_platform 7.2 Yes
Application liferay dxp 7.3 Yes
Application liferay liferay_portal ≤ 7.3.5 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For liferay's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.