Cross-Site Scripting Vulnerability in Keycloak by Red Hat
CVE-2022-4361

10CRITICAL

Key Information:

Vendor

Keycloak

Status
Keycloak
Vendor
CVE Published:
7 July 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2022-4361?

Keycloak, an open-source identity and access management solution developed by Red Hat, is affected by a cross-site scripting (XSS) vulnerability that arises in the context of SAML and OIDC providers. An attacker can exploit this vulnerability by modifying the AssertionConsumerServiceURL or redirect_uri parameters to inject and execute malicious scripts within the user's browser session. This compromise could lead to unauthorized access to sensitive information or user sessions, underscoring the importance of applying security updates and implementing best practices to safeguard against such attacks.

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Affected Version(s)

keycloak 21.1.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2022-4361
Created by faccimatteo

References

https://bugzilla.redhat.com/show_bug.cgi?id=2151618
https://github.com/keycloak/keycloak/commit/a1cfe6e24e5b3...

CVSS V3.1

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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