XSS in Red Hat Migration Toolkit For Applications 6

CVE-2023-6717

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (49.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-6717?
CVE-2023-6717 is a medium-severity vulnerability in Red Hat Migration Toolkit For Applications 6, classified under Cross-site Scripting. CVSS score: 6.0/10. Published 2024-04-25.
How severe is CVE-2023-6717?
Medium severity. CVSS v3 base score is 6.0 out of 10.
Is CVE-2023-6717 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.