Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-20323
CVE-2021-20323:
Java vulnerability analysis and mitigation
Overview
A POST-based reflected Cross-Site Scripting (XSS) vulnerability was identified in Keycloak, tracked as CVE-2021-20323. The vulnerability specifically affects the clients-registrations endpoint, which allows execution of JavaScript code on the client-side (Red Hat CVE).
Technical details
The vulnerability is classified as a Cross-Site Scripting (XSS) issue, categorized under CWE-79 (NVD CNA Status). The flaw was discovered in the clients-registrations endpoint of Keycloak, where malicious JavaScript code could be executed on the client side (Red Hat CVE).
Impact
The vulnerability allows attackers to execute arbitrary JavaScript code in the context of the victim's browser session, potentially leading to theft of sensitive information or manipulation of the application's behavior (Bugzilla Report).
Mitigation and workarounds
The vulnerability was addressed in Keycloak version 18.0.0 (Bugzilla Report). Red Hat has released security updates to address this vulnerability in affected products (Red Hat Advisory).
Additional resources
Source: This report was generated using AI
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