Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) Affecting org.keycloak:keycloak-services package, versions [,22.0.7)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.11% (47th percentile)

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  • Snyk ID SNYK-JAVA-ORGKEYCLOAK-6132136
  • published 20 Dec 2023
  • disclosed 14 Nov 2023
  • credit Unknown

How to fix?

Upgrade org.keycloak:keycloak-services to version 22.0.7 or higher.

Overview

org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services.

Affected versions of this package are vulnerable to Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) via the OIDC redirect_uri function. An attacker can submit a specially crafted request leading to cross-site scripting or further attacks by appending a wildcard to the token.

CVSS Scores

version 3.1
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Snyk

Recommended
4.6 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    Required
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    Low
  • Availability (A)
    None
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NVD

5.4 medium
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Red Hat

4.6 medium