VYPR
Medium severity6.0GHSA Advisory· Published Apr 25, 2024· Updated Apr 15, 2026

CVE-2023-6717

CVE-2023-6717

Description

A flaw was found in the SAML client registration in Keycloak that could allow an administrator to register malicious JavaScript URIs as Assertion Consumer Service POST Binding URLs (ACS), posing a Cross-Site Scripting (XSS) risk. This issue may allow a malicious admin in one realm or a client with registration access to target users in different realms or applications, executing arbitrary JavaScript in their contexts upon form submission. This can enable unauthorized access and harmful actions, compromising the confidentiality, integrity, and availability of the complete KC instance.

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
org.keycloak:keycloak-servicesMaven
< 22.0.1022.0.10
org.keycloak:keycloak-servicesMaven
>= 23.0.0, < 24.0.324.0.3

Affected products

16

Patches

Vulnerability mechanics

References

10

News mentions

0

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