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Liferay Portal and Liferay DXP Vulnerable to Cross-Site Scripting (XSS) via Membership Request Admin Page

Moderate severity GitHub Reviewed Published May 24, 2022 to the GitHub Advisory Database • Updated May 14, 2025

Package

maven com.liferay.portal:release.dxp.bom (Maven)

Affected versions

>= 7.0.10.fp0, < 7.0.10.fp97
>= 7.1.0, < 7.1.10.fp21
>= 7.2.0, < 7.2.10.fp10
>= 7.3.0, < 7.3.10.fp1

Patched versions

7.0.10.fp97
7.1.10.fp21
7.2.10.fp10
7.3.10.fp1
maven com.liferay.portal:release.portal.bom (Maven)
>= 7.0.0, < 7.3.6
7.3.6

Description

Cross-site scripting (XSS) vulnerability in the Site module's membership request administration pages in Liferay Portal 7.0.0 through 7.3.5, and Liferay DXP 7.0 before fix pack 97, 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_site_my_sites_web_portlet_MySitesPortlet_comments parameter.

References

Published by the National Vulnerability Database May 17, 2021
Published to the GitHub Advisory Database May 24, 2022
Reviewed May 14, 2025
Last updated May 14, 2025

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(49th percentile)

Weaknesses

CVE ID

CVE-2021-29044

GHSA ID

GHSA-wcr5-3q96-c2gr

Source code

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