Keycloak Connector Server Reflected XSS Vulnerability (Moderate)

2024-11-26

A moderate-severity Reflected Cross-Site Scripting (XSS) vulnerability has been identified in the authentication flow URL handling of the Keycloak Connector Server. This vulnerability, tracked as CVE-[CVE ID], could allow attackers to inject malicious JavaScript code into web pages, potentially leading to unauthorized access or data theft.

Vulnerability Details:

Platform: Keycloak Connector Server
Version: < 2.5.5 Vulnerability: Reflected XSS Severity: Moderate Date: November 26, 2024

Impact:

Successful exploitation of this vulnerability could allow an attacker to:

Steal sensitive user information

Hijack user sessions

Deface web pages

Spread malware

Mitigation:

To address this vulnerability, it is strongly recommended to upgrade to Keycloak Connector Server version 2.5.5 or later. This version includes a fix that properly sanitizes and escapes user input in the affected URL parameters.

What Undercode Says:

This vulnerability highlights the importance of secure coding practices, especially when handling user input. Developers should always validate and sanitize user-provided data to prevent injection attacks.

In this case, the vulnerability arises from improper sanitization of URL parameters. By exploiting this weakness, attackers can inject malicious JavaScript code into the web pages, potentially leading to serious security consequences.

Keycloak Connector Server users are urged to prioritize the upgrade to the latest version to mitigate this risk.

References:

Reported By: Github.com
Undercode AI: https://ai.undercodetesting.com

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